1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ziro4ka [17]
3 years ago
5

Which electron transition represents a gain of energy?

Chemistry
1 answer:
xz_007 [3.2K]3 years ago
5 0

The correct answer is (A) from 2nd to 3rd shell.


The explanation :


when a gain of energy is the shift of the electrons from a shell of low energy to the shell of high energy


and we have here 2nd shell is the shell of low energy, and 3rd shell is the shell of high energy.


∴ (A) from 2nd to 3rd shell is the correct answer.

You might be interested in
What are the very small particles that make up all matter?
nadezda [96]
All matter is made up of particles called atoms and molecules (as opposed to being continuous or just including particles). On the following page, the idea is stated as one of four concepts in Dalton's theory: “All matter is composed of tiny, indivisible particles called atoms” (p. 158s).
3 0
2 years ago
Describe the structure of an Atom (HELP!)
Marat540 [252]

Answer:

The answer is A.

Explanation:

Neutrons and protons are located in the dense middle of the atom called the nucleus, and electrons are located on the electron cloud located outside of the nucleus.

4 0
3 years ago
What did alexander fleming discover that earned him the 1945 novel prize of medicine?
Leviafan [203]
He discovered penicillin
6 0
3 years ago
Chameleons have the ability to change their coloring to help them blend in with their environmerit.
Andre45 [30]

Answer:

B

Explanation:

trust me

3 0
3 years ago
Read 2 more answers
If a bus traveled 20 miles north on a straight path, and then traveled 20 miles back to the starting point, what would the veloc
Anestetic [448]

Answer:i think its 20 mph north

Explanation:

7 0
3 years ago
Read 2 more answers
Other questions:
  • What would likely happen if a hot saturated solution were filtered by vacuum filtration using a büchner funnel? (hint: the mixtu
    14·1 answer
  • Fe(s)+Cl2(g)>FeCl3(s)
    12·2 answers
  • Can u please help me with these 2 answers!
    5·1 answer
  • What kind of chemical bond is an insulator most likely to have?
    6·2 answers
  • How does geothermal energy differ from solar energy? (3 points)
    8·2 answers
  • How many grams of H3PO4 are in 175mL of a 2.50M solution of H3PO4?
    7·2 answers
  • The copper and aluminum electrodes are connected in a battery.
    7·1 answer
  • You have three drinks in front of you. you know how they are made, but are unsure which one has the highest concentration of jui
    5·2 answers
  • What are the different chemical properties of the element Cobalt?
    10·1 answer
  • Anyone help me please​
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!