which electrons of an atom take part in a bond formation​

Answers

Answer 1

Answer:

The electrons in the outermost electron shell are responsible for forming chemical bonds. These electrons are also known as valence electrons. Chemical bonds are formed when the outermost electron shells are not completely filled and atom needs more (or less) electrons to completely fill the outermost shell.

Explanation:


Related Questions

What was the lowest extent of sea ice in the data, and when did it occur?

Answers

Answer:5 1/2. occurred the other day i think

Explanation:

Explain more pls I’m confused

All of the following explains why solar energy a better source of energy except:

Solar energy produces less toxic gas in the atmosphere.
Solar energy can be mined with less damage to ecosystems.
There is less environmental impact when collecting solar energy.
Solar energy is unlimited and easily captured from the Sun.

Answers

Answer:

Solar energy can be mined with less damage to ecosystems

Explanation:

solar energy isint mined, its collected and it is kinda bad for the environment when you mine the metals to get the solar panel

5. Organisms that make their own energy storage molecules are called producers. What process do
they go through to create these molecules?

Answers

Answer:

I think it's metabolism

Hope this helps

How do stars, like the sun, produce energy?

• Answers MUST include:

○ how the energy is produced AND the kinds of energy produced.

Answers

Answer:

The sun, like all stars, is able to create energy because it is essentially a massive fusion reaction. Technically known as nuclear fusion, this process releases an incredible amount of energy in the form of light and heat.

Types of energy produced: Stars produce energy from nuclear reactions, primarily the fusion of hydrogen to form helium.

Explanation:

hope this helped :D

A construction company clears away 75 percent of a forest area for urban development. What will most likely happen to the carrying capacity and the populations of organisms in the remaining forest area?

Answers

The answer is the population of organisms will decrease with loss of habitat, and there is more room for carrying capacity. Hope this helps! Mark brainly please!

Answer:

B. Their populations will decrease, and the carrying capacity will increase.

Explanation:

If there are 6 waves in a 2-second time frame, what is the frequency

Answers

Answer:

3 Hz

Explanation:

frequency = [tex]\frac{number of waves}{time}[/tex]

thus [tex]f=\frac{6}{2}[/tex] = 3 Hz

If there are 6 waves in a 2-second time frame, the frequency is 3 Hz. When a wave travels through a medium, the frequency describes how frequently the medium's particles vibrate.

What is the frequency of a wave?

The frequency identifies the frequency at which the particles of the medium vibrate as a wave passes through it.

Frequency = number of waves ÷time

The number of waves is  6 and time is 2 second

     f = 6 ÷ 2

      =  3

A disturbance or variation that causes energy to be transferred gradually from one point to another in a medium. It can be an elastic deformation or a change in pressure, electric potential, electric or magnetic intensity, or temperature.

Therefore, if there are 6 waves in a 2-second time frame, the frequency is 3 Hz.

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A hydroelectric dam produces renewable energy for the local area. Which best explains why more hydroelectric dams are not built?

Answers

Answer:

The dam disrupts the river wildlife and ecosystem.

Explanation:

Though it is believed that using the dam as a power generation or hydroelectric power supply generates no greenhouse gases, it, however, has many disadvantages which make it deemed not suitable or sustainable for use in the contemporary time.

Majorly, the top reason why more hydroelectric dams are not built is that "the dam disrupts the river wildlife and ecosystem."

Also, it affects the water quality and other use of water for humans such as recreational use.

There is also a possible chance of dams producing methane; a greenhouse gas through the organic materials in the water that is rotting.

Can you balance an Egg on the Spring Equinox? R: Restate the Question * A: Answer the question * C: Cite your evidence E: Explain your answer *

Answers

Answer:

No you cannot balance an Egg on Spring Equinox without practice and the right egg

Explanation:

No you cannot balance an Egg on the spring Equinox and this is because it is just a Myth, according to Dr Harry E. Keller,

Balancing of an egg ( making an egg stand upright ) takes practice, Getting the right egg ( i.e. an egg with its yolk placed at the center of the egg ) and can be done anytime of the day and not just on spring equinox

How many grams of aluminum are necessary to produce 11 L of hydrogen gas at STP??
PLEASE HELP

Answers

9.0 grams will produce 11 L of hydrogen

Answer:

8.8

Explanation:

You can view more details on each measurement unit: molecular weight of Aluminum or grams The molecular formula for Aluminum is Al. The SI base unit for the amount of substance is the mole. 1 mole is equal to 1 mole of Aluminum.

what is an electromagnetic wave PLEASE ILL GIVE 15 POINTS AND BRAINLESt

Answers

[tex]An \:  electromagnetic \: wave can \: travel \: through \: anything \:[/tex]

[tex] - be \: it \: air, \: a \: solid \: material \: or \: vacuum. [/tex]

[tex] It \: does \: not \: need \: a \: medium \: to \: propagate \: [/tex]

[tex]or \: travel \: from \: one \: place \: to \: another[/tex]

An electromagnetic wave can travel through anything - be it air, a solid material or vacuum. It does not need a medium to propagate or travel from one place to another

if it helps don't forget to like and mark me

1. Take 2-3 crystals of potassium permanganate and dissolve them in 100 mL of water.
2. Take out approximately 10 mL of this solution and put it into 90 mL of clear water.
3. Take out 10 mL of this solution and put it into another 90 mL of clear water.
4. Keep diluting the solution like this 5 to 8 times.
5. Is the water still coloured?

Answers

Answer:

2

Explanation:

1. Take 2-3 crystals of potassium permanganate and dissolve them in 100 mL of water.

2. Take out approximately 10 mL of this solution and put it into 90 mL of clear water.

3. Take out 10 mL of this solution and put it into another 90 mL of clear water.

4. Keep diluting the solution like this 5 to 8 times.

5. Is the water still coloured?

SOMEONE HELP PLS! I missed a day and I need help rn

Answers

Answer:

D

Explanation:

what is the enthalpy for 2H2S(g) + 3O2(g) -> 2H2O(I) + 2SO2(g). (∆H)​

Answers

Answer:

2H2S (g) + 3O2 (g) → 2H2O (l) + 2SO2 (g)

Calculate ΔH° from the given data. Is the reaction exothermic or endothermic?

ΔH°f (H2S) = -20.15 kJ/mol; ΔH°f (O2) = 0 kJ/, mol; ΔH°f (H2O) = -285.8 kJ/mol; ΔH°f (SO2) = -296.4 kJ/mol

What is the empirical formula for a compound that has 31.2% calcium, 18.8% carbon,
and 50% oxygen

Answers

Answer:

CaC2O4

Explanation:

what is the energy needed to start a chemical reaction?

Answers

Answer:

Activation energy is called the energy required to initiate a chemical reaction.

Explanation:

6. For a chemical reaction, the heat of reaction is equal
to the

Answers

Answer:

internal energy

Explanation:

At constant pressure, the heat of reaction is equal to the enthalpy change of the system. Most chemical reactions occur at constant pressure, so enthalpy is more often used to measure heats of reaction than internal energy

For a chemical reaction, the heat of reaction, also known as enthalpy change (∆H), is equal to the difference between the total energy of the products and the total energy of the reactants.

Enthalpy change represents the amount of heat energy exchanged or released during the course of a reaction. The heat of reaction can be positive (endothermic), indicating that the reaction absorbs heat from the surroundings, or negative (exothermic), indicating that the reaction releases heat to the surroundings.

The magnitude of the heat of reaction is a measure of the amount of heat energy involved in the reaction.

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Which Statements below are true?
A. If motion starts and stops at the same location, then the displacment is zero.
B. Displacement can be fully described with a magnitutde and a unit.
C. Distance measurements must incude magnitude, unit, and direction.
D. Distance is always greater than or equal to the magnitutde of the displacement.

Answers

A. If motion starts and stops at the same location, then the displacment is zero.

D. Distance is always greater than or equal to the magnitutde of the displacement.

During _____________ there are 24 hours of daylight at the North Pole.

summer
winter
spring

Answers

Answer:

summer

The North Pole stays in full sunlight all day long throughout the entire summer (unless there are clouds)

Answer:

summer

Explanation:

hope this helps :)

A substance that catches fire and burns in air is said to be

Answers

Answer:

combustible.

Explanation:

The substances which burn in air are called combustible. Oxygen (in air) is essential for combustion. During the process of combustion, heat and light are given out.

Hope this helped!!!

Answer: flammable

Explanation:

What is the mass of 2.40 mol H2O?
Answer in units of g.

Answers

I AM MEMELORD!!!!! SLAYER OF THE KARENS!!! SPEAKER OF THE THE MEMES. APPROACH SPEAKER AND ASK YOUR QUESTION! I AM MEMELORD!!!!! SLAYER OF THE KARENS!!! SPEAKER OF THE THE MEMES. APPROACH SPEAKER AND ASK YOUR QUESTION! I AM MEMELORD!!!!! SLAYER OF THE KARENS!!! SPEAKER OF THE THE MEMES. APPROACH SPEAKER AND ASK YOUR QUESTION!vuillokookioobznzksksksksksksisis

Answer:

204

Explanation:

Will mark brainly read it make sense no funny business

Answers

Answer:  mixed

compound

Explanation:

Which of the following is likely to be affected by a growing human population?

Question 5 options:

Amount of land for farming


Amount of air pollution


Amount of clean water


All of the above


None of the above

Answers

Answer:

D.) All of the above

is the correct answer

By a growing human population, amount of land for farming, amount of air pollution and clean water is likely to be affected.

What is population?

Population tells about the relative numbers of people present in particular area.

When there is a increase in the population of people then there is decrease in the amount of land for farming because more people want more land and this results in lack of land for individual. The affect of increased population results in the increase of air pollution, noise pollution, land pollution as well as water pollution.

Hence, option (d) is correct i.e. all of the above.

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Tara is performing a chemical experiment, at one point she needed to know whether the solution is acidic or basic so she used the PH meter to measure the solution. She got a reading of 13.4,

1. Is the solution acidic or base? Explain why.

2. What will happen to the PH when she will add water to the solution?

Answers

It is a base because its pH is greater than 7

(not sure about the second sorry!)

Is a animal searching for water a stimulus or response

Answers

Answer:

response I believe

Explanation:

i'm pretty sure it's a response cause it's the animal responding to needing water and being thirsty

hope this helps! :)

dlaczego emaliowane garnki rdzewieją w miejscach uszkodzenia emalii​

Answers

Answer:

Explanation: I don’t even know what you said

Answer:

so basically

Explanation:

bsuxnssu hhusnn ji

Which reaction type is really part of another type of reaction but treated separately? Explain

Answers

Answer:

Oxidation - reduction reaction which is called redox reaction.

Explanation:

The type of reaction that is a part of another type but treated separately is called Oxidation - reduction reaction.

Thus is because they usually involve 2 separate half reactions which are oxidation reactions that involve loss of electrons and then reduction equations which involve gain of electrons.

They are treated separately for example when sodium reacts with chlorine to form sodium chloride.

2Na + Cl2 = 2NaCl

Now, sodium undergoes oxidation by loosing elctrons and it's half reaction is;

2Na → 2Na​^(+) + 2e^(-)

​​Meanwhile chlorine undergoes reduction by gaining electrons and its half reaction is;

Cl2 + 2e^(-) → 2Cl^(-)

85 grams of CO2 to molecules

Answers

Answer:

co2 = 44,01 g/mol

85\44= 1,93 mol

Explanation:

Calculate the volume, in liters, of 4 mol H2S at 60 degrees celsius and 200 KPa? Show your work

(R=8.31) (K= *C + 273) (PV= nRT)

Answers

Answer: 55.345L

Explanation:

PV=nRT

PV=4R(333)

200V=4(8.31)333

200V=11069

V=11069/200

V=55.345L

I WILL Give BRAINLIST Unlike protists, organisms in the group Animalia
A
have cells with no cell wall and have an organ system.
B
have cells with a cell wall and are heterotrophic.
C
are complex and photosynthetic.
D
are all mobile and autotrophic.

Answers

Answer:

B

Explanation:

B

have cells with a cell wall and are heterotrophic

If .45 moles of water vapor is produced in a chemical reaction that occurs at STP how many liters of water are produxed

Answers

Answer:

10.1 L

Explanation:

At STP (meaning T = 273 K and P = 1 atm) one mol of any given gas will occupy 22.4 liters.

With the above information in mind, we can calculate how many liters will 0.45 moles of water vapor occupy:

0.45 mol * 22.4 L / mol = 10.1 L

Meaning that if 0.45 moles of water are produced at STP, 10.1 liters of water would be produced.

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