Register

Which elements have only one electron orbit or shell? A. hydrogen (H) and helium (He) B. helium (He) and lithium (Li) C. krypton (Kr) and iron (Fe) D. hydrogen (H) and calcium (…

Which elements have only one electron orbit or shell? A. hydrogen (H) and helium (He) B. helium (He) and lithium (Li) C. krypton (Kr) and iron (Fe) D. hydrogen (H) and calcium (…
203k views
2 votes
Which elements have only one electron orbit or shell? A. hydrogen (H) and helium (He) B. helium (He) and lithium (Li) C. krypton (Kr) and iron (Fe) D. hydrogen (H) and calcium (Ca)

User Ratan Kumar
by
7.7k points

1 Answer

5 votes

2.1 Electrons, Protons, Neutrons, and Atoms

Hydrogen H 1

Helium He 2

Lithium Li 3

Beryllium Be 4

User Carlos N
by
8.8k points
← Prev Question Next Question →

Related questions

User Shemeer M Ali
asked Apr 14, 2021 150k views
Which of the following is an alkali metal? A. Lithium (LI) B. Boron (B) c. Calcium (Ca) D. Krypton (Kr)
Shemeer M Ali asked Apr 14, 2021
by Shemeer M Ali
8.6k points
2 answers
5 votes
150k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

Compare and contrast an electric generator and a battery??
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
Why is gold preferred as a superior metal over silver and bronze?
Link Copied!