A student looking for an element that will bond with sodium (Na) knows that table salt is a compound of sodium and chlorine (Cl). Based on this information, which of the following elements would MOST likely bond with sodium?
A.argon (Ar)
B.bromine (Br)
C.calcium (Ca)
D.potassium (K)
Answers
According to the concept of electronic configuration and valency sodium is most likely to bond bromine.
What is electronic configuration?Electronic configuration is defined as the distribution of electrons which are present in an atom or molecule in atomic or molecular orbitals.It describes how each electron moves independently in an orbital.
Knowledge of electronic configuration is necessary for understanding the structure of periodic table.It helps in understanding the chemical properties of elements.
Elements undergo chemical reactions in order to achieve stability. Main group elements obey the octet rule in their electronic configuration while the transition elements follow the 18 electron rule. Noble elements have valence shell complete in ground state and hence are said to be stable.
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Related Questions
help pls i will give brainlest
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Answer: its 5ft tall and 12 inches
Explanation:
1. Pick an example of a wave. Describe one piece of evidence that the wave carries energy from one place to another.
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Answer:
mass
Explanation:
How a mutation can cause cancer ?
Answers
Answer:
A mutation in a tumor suppressor gene allows cancer cells to continue growing and accumulating. Make mistakes when repairing DNA errors. DNA repair genes look for errors in a cell's DNA and make corrections. A mutation in a DNA repair gene may mean that other errors aren't corrected, leading cells to become cancerous.
Explanation:
Answer:
If a person has an error in a DNA repair gene, mistakes remain uncorrected. Then, the mistakes become mutations. These mutations may eventually lead to cancer
Explanation:
can i get the crown pleeeeaaase?!?!?!!!
What type of person studies and collects data on the weather?
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Match the term to its definition (Lessons 6.03, 6.04 and 6.05)
(i can't fit this all without confusion)
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Answer: the first paragraph is rain forest biome and the 2nd one is arctic tundra biome and finally the last paragraph is ocean or marine biome
Explanation:
rain forests have warm temperatures and include alot of animals and plants , artctic tundra biome includes cold temperatures ice stuff and all that and ocean or marine biome is pretty much just the ocean with seals , whales and marine life yk.
How does being able to understand the interactions of natural systems, such as weather, benefit society? How are the scientific practices of analyzing data and observation helpful in understanding how natural systems work? Record your evidence.
PLS HELP ME I'LL GIVE U bRAINLIES IT U DO JUST PLS HELP-
Answers
They show you how to work with it
Explanation:
Analyzing data and observing these natural systems helps people understand them because these systems change over time. Observing and measuring changes over days, weeks, months, etc. helps people grasp how these systems change and what may cause these changes. Collecting data on natural systems is an important step towards a better understanding, as these systems will occur regardless of human will.
I HOPE THIS HELPS IDRK WHAT THIS IS SUPPOSED TO BE ABOUT
What substances can be released in a volcanic eruption
Answers
Q3. A bridge is built without expansion gaps.
Explain what could happen to the bridge if the temperature became:
a) much hotter than the day it was built.
b) much colder than the day it was built.
Please explain
Answers
Answer: b
Explanation:
Florine is the most electronegative element on the periodic table. Explain why the element fluorine will not give up electrons when forming a chemical bond.
Answers
Answer:
Fluorine will not give up electrons when forming a chemical bond because since it is so electronegative, it pulls electrons from other elements closer to it. Fluorine also has seven valence electrons and needs just one electron to fill its outer shell and gain stability.
Hope this helps. :)
The information regarding the element fluorine is explained below:
The following information should be considered:
Fluorine should not give up electrons at the time when forming a chemical bond since it is so electronegative, it pulls electrons from other elements nearer to it. Fluorine also contains seven valence electrons and required just one electron to fill its outer shell and gain stability.Learn more:https://brainly.com/question/17429689?referrer=searchResults
what might a scientist do to identify an organism that cannot be seen with a naked eye?
Answers
Answer:
I believe they would use a microscope.
Explanation:
Microscopes provide a higher magnification, so scientist use them to see things they cant quite see with a naked eye.
It takes a car 1.5 hours to go 90 miles.
What is the average speed of the car in miles per hour (mph).
Answers
Answer:
60 mph
Explanation:
if you do 90÷1.5 you get 60 so thats the average speed
so what you have to do is multiply but one more thing to help you remember is ask for help
Make a model that explains how the iron pipes and fertilizer changed into rust.
In the Before space, draw the iron pipes and fertilizer before they changed into rust.
In the After space, draw the rust.
In the During the change space, draw or describe how the iron pipes and fertilizer changed into rust.
Label your model or create a key.
Answers
Answer:
is c before space I did it
Explanation:
Step by step
In an electrical wire, if instead of copper, plastic wire is used. Would it conduct electricity?Justify your answer.
Answers
Answer:
No, a plastic wire would not conduct electricity. This is because plastic is an insulator that does not allow electric current to flow through it. In a wire, electrical conductivity is provided by the movement of charged particles - typically, electrons. Copper is an excellent conductor of electricity because it has a high number of free electrons that are not bound to atoms and can move through the wire very easily. However, in a plastic wire, the tightly bound electrons of its atoms do not allow for the free flow of charges, thus preventing the passage of electric current.
What is true for two pieces of iron at the same temperature?
Answers
Answer:
The average kinetic energy of their particles is the same.
I hope that is what you are looking for!
Answer:
The average kinetic energy of their particles is the same.
I hope that is what you are looking for!
Explanation:
^^
What would happen if a cell membrane let too much water into a cell?
Answers
Answer:
Animal Cell
When water moves into an animal cell (e.g. a red blood cell), the cell membrane stretches and the cell gets bigger. If this continues, the cell membrane will burst – this is called lysis.Plant Cell
When too much water moves out of a plant cell the cell contents shrink. This pulls the cell membrane away from the cell wall. A plasmolyzed cell is unlikely to survive.Candice did an experiment where wondered if temperature affects how cheese molds. She put a piece of cheese next to a different heat lamp and then measured how much mold was on each cheese. What is the DEPENDENT variable?
Answers
Use the chemical reaction to answer the question. CaCO3→CO2+CaO A scientist heats 30 grams of calcium carbonate (CaCO3) in the chemical reaction shown.
What is the total mass of the products?
A. 10 grams
B. 15 grams
C. 30 grams
D. 60 grams
Use the chemical reaction to answer the question. Fe+O2→Fe2O3 What happens to atoms of Fe and O2 during the reaction?
A. They are lost.
B. They maintain their properties.
C. They are rearranged.
D. They gain mass.
What is most likely to occur during a chemical reaction?
A. Molecules of the original substance are lost.
B. Mass is conserved.
C. The original substance maintains its properties.
D. New atoms are created.
Use the chemical reaction to answer the question. NaHCO3+HC2H3O2→NaC2H3O2+H2O+CO2 A student mixes baking soda (NaHCO3) and acetic acid (HC2H3O2) to produce a chemical reaction shown.
Which statement about the reaction is correct?
A. There are more H atoms after the reaction.
B. The atoms of the reactants are regrouped during the reaction.
C. Atoms of Na are destroyed during the reaction.
D. Some atoms gain mass after the reaction.
Use the chemical reaction to answer the question. 2H2+O2→2H2O There are four atoms of hydrogen (H) before the reaction.
How many atoms of hydrogen are present after the reaction?
A. 5
B. 4
C. 2
D. 8
PLEASSSSSSSE ANSSSSWER ALL THE QUESTIONS------------
Answers
2.)B
Explanation:
The total mass of products obtained in the reaction; CaCO3→CO2+CaO is 30 grams. Given the reaction; Fe+O2→Fe2O3, atoms of Fe and O2 are rearranged during the reaction. During a chemical reaction, mass is conserved. Given the reaction NaHCO3+HC2H3O2→NaC2H3O2+H2O+CO2, we can see that the atoms of the reactants are regrouped during the reaction. Given the reaction 2H2+O2→2H2O, there are four atoms of hydrogen before and after the reaction.
According to the law of conservation of mass, atoms are neither created nor destroyed in a chemical reaction. Similarly, mass is neither created nor destroyed.
This means that the number of atoms of each element before and after the reaction must remain the same. A chemical reaction only involves the rearrangement of atoms in reactants to form products.
The total mass of reactants must be equal to the total mass of products according to the law of conservation of mass.
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What is an ellipse please help)
Answers
In mathematics, an ellipse is a plane curve surrounding two focal points, such that for all points on the curve, the sum of the two distances to the focal points is a constant. As such, it generalizes a circle, which is the special type of ellipse in which the two focal points are the same.
Maybe they might use that math thing for Science.
4. What threatens the health of coral reefs? (Select all that apply.)
silt in the water that runs off from coastal land development
ocean water pollution
damage to coral from diving, boating, and fishing tourism
increased diversity of coral polyp species
Answers
Answer:
Explanation:
1,2,3
In a reaction of yeast and hydrogen peroxide, the yeast causes a reaction in which the hydrogen peroxide breaks apart to form oxygen gas and water. Heat is released (given off) in this experiment, which would indicate a(n) ____________________ reaction.
A) equilibrium
B) endothermic
C) physical reaction
D) exothermic
Answers
Answer:
D, exothermic reaction
Answer: it indicates exothermic reaction
Explanation:
Which pair of elements would be expected to have similar reactivities?
fluorine (F) and oxygen (O)
bromine (Br) and chlorine (Cl)
carbon (C) and copper (Cu)
sodium (Na) and sulfur (S)
Answers
Answer:bromine & chlorine
Explanation:
Elements with the same number of valence electrons have similar chemical properties. Since bromine and chlorine are in the same group (7A), both are expected to have similar reactivities.
Answer:
yes
Explanation:
no
Our solar system consits of eight planets. Which phrase correctly describes a planet?
A. a large celestial body that is composed of gas and emits light
B. any one of the primary bodies that orbit a star
C. many stars held together by gravity
D. space and all the matter and energy in it
Answers
B. (twenty characters blah blah blah) Have a great day/night!
Please help asap!! Tysm!♡♡
Answers
Answer: EGG
Explanation: RAW
Calculate the volume (in cm3
) of 54 g
of water at 1 ∘C
.
Express the volume in cubic centimeters to two significant figures.
Answers
In this cellular respiration process, some chemical bonds between atoms in oxygen and glucose molecules are _____. As atoms are rearranged, new chemical bonds are _____ between different atoms to produce carbon dioxide gas and water. This process releases energy.
The blank options are broken, and formed.
IXL N.2 7th Grade Science
Understanding the chemistry of cellular respiration
Answers
Answer:
In this cellular respiration process, some chemical bonds between atoms in oxygen and glucose molecules are broken. As atoms are rearranged, new chemical bonds are formed between different atoms to produce carbon dioxide gas and water. This process releases energy.
In this cellular respiration process, some chemical bonds between atoms in oxygen and glucose molecules are broken. As atoms are rearranged, new chemical bonds are formed between different atoms to produce carbon dioxide gas and water. This process releases energy.
Please write an introduction for a SHE task of Fire-Stick Farming.
Answers
Fire stick Managing the environment through farming Aboriginal people routinely burned grass to minimise fuel and promote new growth in order to attract grazing animals for hunting.
Why is farming important?Among the various ways that agriculture has an impact on society are the provision of food, habitat, and employment opportunities; the provision of raw materials for food and other goods; and the development of robust economies through commerce.
Why is farming beneficial to the environment?A large number of species use pasture and crops as both a habitat and a source of food, making up around 50% of the planet's livable land. Sustainable management of agricultural operations has the potential to safeguard watersheds, restore significant habitats, and improve the quality of the soil and water supply.
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1. Using D10W and a vial of NaCl 4 mEq/mL, how many mL of NaCl are needed to prepare 250 mL of a
D10/NS solution?
a. 4.8mL
b. 9.6ml
c. 19.6mL
d. 154mL
Answers
To prepare 250 mL of a D10/NS solution using D10W and a vial of NaCl 4 mEq/mL, you would need 9.6 mL of NaCl. Normal saline (NS) contains 154 mEq/L of sodium chloride (NaCl). To prepare 250 mL of NS, you would need 250 mL * (154 mEq/L) = 38500 mEq of NaCl. Since the vial of NaCl contains 4 mEq/mL, you would need 38500 mEq / (4 mEq/mL) = 9625 mL = 9.6 mL of NaCl. So the correct answer is b. 9.6ml.
Which description properly describes the plant structures involved in photosynthesis?
A. Stomata take in water, sunlight, and carbon dioxide and release oxygen.
B. Stomata take in carbon dioxide and release oxygen.
C. Xylem takes in water, sunlight, and carbon dioxide and releases oxygen.
D. Phloem transports water, stomata take in carbon dioxide, and chlorophyll absorbs sunlight.
Answers
Answer: The correct answer is D.
Hope this helps!
Answer:
the answer is D
Can somebody help me with my science HW
Answers
2. C
3. C
4. B
5. C
What happens to air pressure and amount of oxygen as the altitude increases in Earth's atmosphere? 1. Air pressure decreases, while the amount of oxygen increases. 2. Both air pressure and the amount of oxygen increase. 3. Air pressure increases, while the oxygen decreases. 4. Both air and oxygen decrease.
Answers
Answer:
As altitude increases in Earth's atmosphere, both air pressure and the amount of oxygen decrease.
At sea level, the air pressure is about 1013.25 millibars (mb) and the concentration of oxygen is about 21%. As you go higher in the atmosphere, the air becomes thinner and less dense, so the air pressure decreases. At the same time, the concentration of oxygen also decreases because there is less air overall to contain oxygen molecules.
This is why it is harder to breathe at high altitudes, such as on a mountain. The air is less dense, so there are fewer oxygen molecules per breath and the body has to work harder to get enough oxygen.
Answer:4: Both Air and Oxygen decrease.
Explanation:This is in accordance with Henry's law. As pressure decreases solubility of gases decreases. Air pressure decreases as we altitude increases and the decrease in oxygen level is the consequence ,