What subatomic particle is responsible for the observed properties of an atom?
protons
electrons
neutrons
Answers
A protons
Related Questions
Robert is thinking about buying a new refrigerator. His old refrigerator runs at about 43% efficiency. Which most likely accounts for the remaining 57% of the energy?
A: It is used up by the light in the refrigerator.
B: It is released to the surroundings as heat
C: It is converted into mechanical energy.
D: It stored as a form of potential energy.
Answers
Answer:
D it stores as a firm of potential energy
Please help me por favor :'(
Answers
A student wants to determine the effect of mass on kinetic energy. She will drop two balls of the same size into a pool of water. Which investigation method should the student use?(1 point)
a. She should drop two balls of the same mass from different Hights.
b.she should drop two balls with different masses from the same Hights
c.she should drop two balls with different masses from different Hights
d.she should drop two balls of the same mass from the same Hights
Answers
Is this correct? just an FYI This is a science question.
Which sources do meteorologists use to collect data on moisture?
Answers
Answer:
yes
Explanation:
it's is c9rrect bc it just is
-Watch the video
-Answer the following question. Make sure you site evidence. Make sure you use complete sentences.
Question:
Are fires always bad in the environment? Why?
-Please don't just say yes or no because
(How Wildfires Help! | Science for Kids)
^video is by SciShow Kids ^
Answers
Answer:
maybe you should watch the video...
we can't help you because we don't have the vid.
Explanation:
In 3 paragraphs, describe how weathering changes the earth's surface. Please do not copy and paste.
Answers
Answer:
Weathering is the breaking down or dissolving of rocks and minerals on Earths surface. Once a rock has been broken down, a process called erosion transports the bits of rock and minerals away. Weathering and erosion constantly change the rocky landscape of Earth. Weathering wears away exposed surfaces over time.
The effects of weathering disintegrate and alter mineral and rocks near or at the earth's surface. This shapes the earth's surface through such processes as wind and rain erosion or cracks caused by freezing and thawing. Each process has a distinct effect on rocks and minerals. Mechanical weathering increases the rate of chemical weathering. As rock breaks into smaller pieces, the surface area of the pieces increases Figure below. With more surfaces exposed, there are more surfaces on which chemical weathering can occur. Mechanical weathering may increase the rate of chemical weathering.
Weathering, erosion, and deposition are processes that act together to wear down and build up the Earth's surface. These processes have occurred over billions of years. Weathering is any process that breaks down rocks and creates sediments. Weathering causes the disintegration of rock near the surface of the earth. Plant and animal life, atmosphere and water are the major causes of weathering. Weathering breaks down and loosens the surface minerals of rock so they can be transported away by agents of erosion such as water, wind and ice.
1. Atomic number is the number of_____in an atom .
A)neutrons
B)protons
C)electrons
Answers
Answer:
B. Protons
Explanation:
The atomic number or proton number of a chemical element is the number of protons found in the nucleus of every atom of that element.
Answer:
protons
Explanation:
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What is one of the most important forms of energy? Give two examples of how this type of energy is used in our lives.
Answers
Refrigeration used electrical energy.
Answer:
"There is no God but Allah, and Muhammad is his messenger." This is the basic statement of the Islamic faith: anyone who cannot recite this wholeheartedly is not a Muslim. When a Muslim recites this they proclaim: That Allah is the only God, and that Muhammad is his prophet.
I hope u find the right path
Explanation:
What type and how many atoms is ethyl butyrate made of?
Answers
Answer: 45
Explanation: thats what i have in my notes
Which of the following statements correctly explains why physical properties of a substance can be used to separate mixtures?
1. When substances are mixed together, they retain their physical properties.
2. When substances are mixed together, you can see each individual component
3. When substances are mixed together, the mixture assumes the physical properties of each individual substance.
4. Mixtures contain different substances with different properties and chemists can separate one item from the mixture by forcing it to undergo a chemical change.
Answers
Answer:
4) Mixtures contain different substances with different properties and chemists can separate one item from the mixture by forcing it to undergo a chemical change.
Explanation:
Mixtures contain different substances with different physical properties, such as boiling point, melting point, solubility, density, and so on. These properties can be used to separate the individual substances in the mixture through various techniques. For example, distillation is a separation technique that relies on differences in boiling points of the substances in a mixture. When a mixture is heated, the substance with the lower boiling point will vaporize first, and it can be collected and cooled to form a pure substance. Similarly, other techniques such as chromatography, filtration, and crystallization also rely on differences in physical properties to separate mixtures.
On the other hand, chemical changes involve the rearrangement of atoms within a substance, resulting in the formation of a new substance with different properties than the original. While chemical changes can be used to synthesize new substances, they are not typically used to separate mixtures.
Which of Newton’s Laws of Motion is represented in the following description: The worker complaining because the box was too heavy to move. He could not apply enough force to move it.
1st Law of Motion
2nd Law of Motion
3rd Law of Motion
Answers
Answer:
In the first law, an object will not change its motion unless a force acts on it. In the second law, the force on an object is equal to its mass times its acceleration. In the third law, when two objects interact, they apply forces to each other of equal magnitude and opposite direction.
Explanation:
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Which of these is a characteristic of index fossils?
Found in the topmost rock layer
Found in many layers of the same rock
Have already established relative age
Are limited to a particular geographic location
Answers
Answer: It is the third one.
Explanation:
An index fossil is something that a human can estimate the age of the fossil by looking at it.
Index fossils are distinct in nature and recognisable. It is also widely present across the world. It is abundant and found everywhere.
please solve this for me
Answers
The standard reduction potential for the half-reaction of Be^2+ + 2e^- -> Be is given as E^0 = 3.83 V.
For the half-cell Hg^2+ | Hg, the standard reduction potential is not provided in the given information. To calculate the electric potential for the voltaic cell, we need the reduction potential for the Hg^2+ | Hg half-cell.
A voltaic cell, also known as a galvanic cell or an electrochemical cell, is an electrochemical device that generates electrical energy through a spontaneous chemical reaction. It consists of two half-cells connected by an external circuit and a salt bridge or porous barrier that allows the flow of ions between the two half-cells.
Each half-cell consists of an electrode immersed in an electrolyte solution. The electrode is typically made of a metal or a conductive material, and the electrolyte is a solution containing ions that can participate in the redox (reduction-oxidation) reaction.
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Answer:
The standard reduction potential for the half-reaction of Be^2+ + 2e^- -> Be is given as E^0 = 3.83 V.For the half-cell Hg^2+ | Hg, the standard reduction potential is not provided in the given information. To calculate the electric potential for the voltaic cell, we need the reduction potential for the Hg^2+ | Hg half-cell.
?What statement best describes the arrangement of the atoms in an ethylene molecule?
Answers
Hydrogen and oxygen undergo a chemical reaction to form water. How much water will be created if hydrogen has a mass of 3.56 g and the oxygen has a mass of 25.32 g?
Answers
Answer:
22.88g
Explanation:
Hope this helped <3
What are the three essential theories in Earth science?
Answers
Answer:
Three essential theories for Earth Science are the theory of evolution, the theory of plate tectonics, and the theory that human activities are altering Earth's climate
Explanation:
Three essential theories for Earth Science are the theory of evolution, the theory of plate tectonics, and the theory that human activities are altering Earth's climate
Which statement describes how natural gas is made and its environmental impact? A. Natural gas is made from fertilizer. Using it causes water pollution. B. Natural gas is made from rocks and minerals. Using it causes erosion. C. Natural gas is made from nuclear reactions. Using it produces hazardous waste. D. Natural gas is made from the remains of prehistoric organisms. Using it produces air pollution
Answers
Answer:
Im not so sure but I believe the answer is D. Natural gas is made from the remains of prehistoric organisms. Using it produces air pollution
Explanation:
If right can I get brainliest?
help pls i will give brainlest
Answers
Answer: its 5ft tall and 12 inches
Explanation:
People use hot air balloons to rise high above the ground and be pushed by air currents from one place to another. The diagram shows a hot air balloon.
A type of chemical reaction, called combustion, takes place between propane and oxygen in the burners.
a. Describe a likely result of this chemical reaction that allows a hot air balloon to rise.
b. Describe a design feature the distance a hot air balloon can travel. Explain your reasoning.
Answers
Fueled by propane cylinders, gas jets produce the hot air that fills the envelope (similar to ones you might use on a portable camping stove).
WorkingSince heated air rises, hot air balloons are functional. with the rest. As though it were floating in water, the balloon rises as a result of this. The balloon naturally starts to slowly deflate if the air is allowed to cool.The molecules in the air start to migrate and spread out as the air within the balloon is heated, which results in a decrease in the air's density. The heated air is pushed below the cooler, surrounding air. the warm air is pushed upward as a result of this.For more information on hot air balloon kindly visit to
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please help me!!!!! fill in the blanks
Answers
Answer:
i also wish i was able to help
Explanation:
but i reallly need sum points
Metaphase
2 chromatids
Anaphase
Telophase
2 new nuclei
Still dividing
Photosynthesis begins when chlorophyll molecules in the plant absorb light energy from the sun. Along with sunlight, CARBON DIOXIDE (CO2)/OXYGEN (O2) and HYDROGEN (H)/WATER (H2O) are also taken in by the plant. Light energy from the sun FUSES/SPLITS water molecules (H2O) into hydrogen (H) atoms and oxygen (O) atoms. Pairs of oxygen atoms combine to form oxygen gas (O2). The oxygen gas (O2) leaves the plant as a WASTE/SUGAR product. The carbon dioxide (CO2) and hydrogen (H) molecules are made into WASTE/SUGARS, which are used by the plant to make energy. Also during this process, light energy from the sun transforms into THERMAL/CHEMICAL energy that is stored in sugars.
Answers
Answer:
The digramatic representation is above
Answer:
I don't see any questions, all I see is a description on Photosynthesis.
Explanation:
The term 10 points and brainlyess
Answers
Answer:
water cycle
Explanation:
if this is a one word term, i dont know but otherwise it is water cycle. hope this helps
Answer:
Mate! Water Cycle would be your answer.
Hope it helps!
i need help pleasee
6. Where on the graph does adding heat energy NOT raise the temperature?
What is the heat energy DOING if it's not raising the temperature?
7. What is temperature A called?
8. What is temperature B called?
Answers
Answer:
We can't see the graph so how are we supposed to help you???
Explanation:
I just need help all I need is the answer please some one
Answers
Answer: The correct fill-in-the-blank answers are:
1. through binary fission (already filled in)
2. be resistant to penicillin
3. through asexual reproduction.
4. cell replicates before
5. a simpler process
Explanation:
The correct fill-in-the-blank answers are:
1. Bacteria reproduce through binary fission (already filled in)
2. A parent bacterial cell is able to survive in the presence of antibiotic penicillin. Subsequent generations from this parent will be resistant to penicillin
3. Something that potatoes and bacteria have in common is that they both reproduce through asexual reproduction.
4. In asexual reproduction DNA from the parent cell replicates before it produces daughter cells.
5. Asexual reproduction is a simpler process than sexual reproduction.
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Which type of selection is shown in the graph above?
A. Disruptive selection
B. Stabilizing selection
C. Disaster Selection
D. Directional selection
Answers
In the given graph, the Evolved Population is showing disruptive selection. Hence, the correct option is A. Disruptive selection.
Stabilizing selection is a form of natural selection where individuals with average phenotypes are more likely to survive and reproduce their number. In this selection, the population tends to maintain a stable phenotype. As shown in the graph, the population is maximum for the population having a moderate length of neck.
Disruptive selection is a type of natural selection where extreme phenotypes are preferred over average phenotypes, leading to an increase in genetic variation and the population becoming more diverse. In this type of selection, the population diverges into two or more distinct phenotypic groups. As shown in the graph, two ranges of the population are favored for having traits for extreme lengths of the neck.
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Lake Eola is a sinkhole lake. What reasoning best describes how it formed?
An underground cave collapsed and sediment plug opened.
An underground cave collapsed and became plugged by sediment
A cut -off meander of a stream formed a crescent-shaped lake
A chunk of ice deposited by a glacier melted, and the glacial drift around the former ice block held the water in place.
Answers
Answer: A
Explanation: the first answer is more reasonable than the rest of them , hope this helped
Explanation: The first choice is the simplest way to put it, which makes it right.
The table below shows two conclusions about atoms based on experiments by Rutherford and Thompson. Which of these statements best explains why Rutherford and Thompson visualized the atom differently? Atoms of different elements contain different particles. New experimental processes provide new scientific evidence. A single model of an atom cannot be agreed upon by all scientists. Scientists believe in proposing theories which contradict current theories.
Answers
Answer:
Scientists with varied experimental processes and interests perceive things differently.
Explanation:
Scientists believe in proposing theories which contradict current theories. So the correct option is D.
What are the atomic models?
Recently, the structure of atoms has been discovered. Before the ideal model of an atom was found, several others were proposed and abandoned.
Atomic Model of J.J. Thomson
In his hypothesis, Thomson compared the definition of an atom to that of a Christmas pudding.He claimed that atoms are made up of a positively charged sphere with embedded electrons.Additionally, he claimed that because the magnitudes of positive and negative charges are equal, an atom as a whole is electrically neutral.
Atomic Model of Rutherford
Rutherford experimented with α-particle scattering on a gold sheet.He noticed that the majority of the negative ions did not deflect when they travelled through the gold foil.Small angles were experienced by certain α-particles, whereas almost 180° was experienced by others.This experiment led Rutherford to the conclusion that an atom's nucleus, a positively charged spherical centre with a radius of 10-10 metres, contains almost all of the atom's mass (having a radius of 10–15 m).
Therefore the correct option is D.
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Please help y’all I don’t understand
Answers
Answer:
2 electrons
Explanation:
If you look at the periodic table, you will see that oxygen is in group 16. If you subtract 10 from 16, you will get 6 electrons, which means oxygen has 6 valence electrons. In order to become stable, you need 8 electrons. So add 2.
how do upper fixed point calibrate in a thermometer ? Explain it .
Answers
Answer:
To mark the upper fixed point, the thermometer is placed in a hypsometer containing water as shown in the figure. The bulb of the thermometer should be outside the water. When the mercury level becomes stationary at a temperature of steam, the level is marked, which represents the upper fixed point of the thermometer.
Explanation:
Conner boils water on the electric stove. The electrical energy is transferred to the thermal energy of the stove. This demonstrates which of the following?
a
Energy is created and then destroyed
b
Every system produces more energy than goes into it
c
Energy can change from one form to another
d
Electrical energy can only produce heat energy
Answers
Answer:
The answer is C
Explanation:
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Answer:
c
Explanation:
because I think it makes the most sense