All categories

2 years ago

Which of the following occurs when an electron moves from a higher energy shell to a lower energy shell?

Chemistry

2 answers:

Alekssandra [29.7K]2 years ago

7 0

Answer: Option (C) is the correct answer.

Explanation:

When energy is supplied to an electron then on absorption of energy it tends to move from a lower energy level to higher energy level.

And, when this electron moves from higher energy level to lower energy level then excess of energy absorbed by it is released in the form of visible light or radiation.

This emission of energy is also responsible for imparting color to a compound.

Thus, we can conclude that energy is released in the form of radiation occurs when an electron moves from a higher energy shell to a lower energy shell.

enot [183]2 years ago

6 0

The answer would be C: energy is released to form radiation.

You might be interested in

Is this right, i dont know how to do this?

aliina [53]

Your answer, I believe, is correct. I'm no expert at chemistry tho.

Tyler Dewitt has some great YouTube vids on chem that have saved my butt on multiple occasions. you should check them out. very helpful

3 0

3 years ago

Read 2 more answers

Is this question an error or am I missing something?

Alexxx [7]

Answer:

ur missing something`

8 0

2 years ago

cite specific situation that you experienced at home or in school where magnet used to seperate mixtures?

Bess [88]

Answer:

See explanation

Explanation:

On a certain day, our teacher came to class with a container having some salt, some sand and a few pieces of iron in it. She was about to introduce a lesson on separation of mixtures.

Then she held a large bar magnet close to the mixture and shook it, the pieces of iron were attracted by the magnet and separated from the mixture.

Next, she poured some water into the mixture and the salt dissolved. She got a filter paper and separated the solution from the sand.

Then she heated the solution to dryness in an open crucible and the salt was recovered.

5 0

2 years ago

Which of the following Group 15 elements has the greatest metallic character?

romanna [79]

The answer is no. 4. Bismuth (Bi)
Across the period, from left to right, metallic character decreases, meaning, when it is going down, the last element in a group will have the most metallic character. Since Bismuth (bi) is the last element, it is the most metallic. The arrangement of the group 15 elements in ascending rate of metallic character is: N (Nitrogen) P (Phosphorus), As (Arsenic), Sb (Antimony) and Bi (Bismuth). Bismuth has the lowest rate of electronegativity and ionization energy thus, it is more likely to lose an e- than the rest of the elements of the said group, which is why it is considered the most metallic.

5 0

3 years ago

Read 2 more answers

The density of phosphorus vapor at 310 degrees celcius and 775 mmHg is 2.64g/L. what is the molecular formula of the phosphorus

lidiya [134]

Answer:

The molecular formula of the phosphorus is P4

Explanation:

Step 1: Data given

Density of phosphorus vapor at 310 °C and 775 mmHg = 2.64g /L

Step 2: Calculate the molecular weight

We assume phosphorus to be an ideal gas

So p*V = n*R*T

⇒ with p = the pressure of phosphorus = 775 mmHg

⇒ with V = the Volume

⇒ with n = the number of moles = mass/molecular weight

⇒ with R = ideal gas constant = 0.08206 L*atm/K*mol

⇒ with T = the absolute temperature

p*V = m/MW *R*T

MW = mRT/PV

⇒ Since the volume is unknown but can be written as density = mass/volume

MW = dRT/P

MW = (2.64g/L * 0.08206 L*atm/K*mol * 583 Kelvin)/1.0197 atm

MW = 123.86 g/mol

Step 3: Calculate molecular formula of phosphorus

The relative atomic mass of phosphorus = 30.97 u

123.86 / 30.97 = 4

The molecular formula of the phosphorus is P4

5 0

2 years ago