Register
What elements has 2 electrons in the 4s sublevel
131k views
0 votes
What elements has 2 electrons in the 4s sublevel

User Matt Dressel
by
7.9k points

1 Answer

2 votes

Answer:

Calcium

Step-by-step explanation:

The electron configuration of calcium is 1s²2s²2p⁶3s²3p⁶4s², which means that it has two electrons in its valence shell, which is the 4s sublevel.

User Franco Rabaglia
by
6.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.7m questions

11.3m answers

Other Questions

Compare and contrast an electric generator and a battery??
How do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
Can someone complete the chemical reactions, or write which one do not occur, and provide tehir types? *c2h4+h2o *c3h8 + hcl *c2h2+br2 *c4h10+br2 *c3h6+br2
As an object’s temperature increases, the ____________________ at which it radiates energy increases.
What is the evidence of a chemical reaction when the fireworks go off
Link Copied!