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kodGreya [7K]
3 years ago
9

How does an atom in ground state become excited?

Chemistry
1 answer:
forsale [732]3 years ago
8 0
Electrons can become excited if it is given extra energy

Exampes:
⁻absorbs a photon
⁻absorbs packet of light
⁻absorbs collides wit nearby atom
⁻absorbs particles.
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What is the molecular formula of the structure below?
taurus [48]

Answer:

C₆H₆

Explanation:

Each border of the figure represents 1 atom of carbon. We have 6 borders = 6 atoms of carbon.

Each atom of carbon form 4 bonds. All the carbons are doing a double bond and a single bond with other carbons. That means are bonded 3 times. The other bond (That is not represented in the figure. See the image) comes from hydrogens. As we have 6 carbons that are bonded each 1 with one hydrogen. There are six hydrogens and the molecular formula is:

<h3>C₆H₆</h3>

This structure is: Benzene

8 0
2 years ago
When sodium bonds with chlorine, what is the chlorine electron configuration like?A. any other halogenB. neonC. argonD. radon
Vika [28.1K]

Answer:

C

Explanation:

For sodium to bond with chlorine, it is through electrovalent bonding.

It means , one electron is transferred from the sodium to the chlorine.

Normally, chlorine has 17 electrons, by adding one , we get 18 electrons.

This is the number of electrons for Argon

5 0
2 years ago
What is the diameter of earth?
kodGreya [7K]

Answer:

12,742 km

Explanation:

Therefore, its radius is 6,371 km.

4 0
3 years ago
Read 2 more answers
What is the pressure of the gas if we have 3.50 moles of helium at -50.0°C
Marianna [84]

Answer:

259.6kPa

Explanation:

because it is big

7 0
2 years ago
How can you simulate the radioactive half-life of an element?
ch4aika [34]

Answer:

TRIAL 1:

For “Event 0”, put 100 pennies in a large plastic or cardboard container.

For “Event 1”, shake the container 10 times. This represents a radioactive decay event.

Open the lid. Remove all the pennies that have turned up tails. Record the number removed.

Record the number of radioactive pennies remaining.

For “Event 2”, replace the lid and repeat steps 2 to 4.

Repeat for Events 3, 4, 5 … until no pennies remain in the container.

TRIAL 2:

Repeat Trial 1, starting anew with 100 pennies.

Calculate for each event the average number of radioactive pennies that remain after shaking.

Plot the average number of radioactive pennies after shaking vs. the Event Number. Start with Event 0, when all the pennies are radioactive. Estimate the half-life — the number of events required for half of the pennies to decay.

Explanation:

6 0
2 years ago
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