Register
Which set of symbols represents atoms with valence electrons in the same electron shell? (1) Ba, Br, Bi (3) O, S, Te(2) Sr, Sn, I (4) Mn, Hg, Cu
125k views
5 votes
Which set of symbols represents atoms with valence electrons in the same electron shell?

(1) Ba, Br, Bi (3) O, S, Te(2) Sr, Sn, I (4) Mn, Hg, Cu

User Roberto Nunes
by
7.2k points

1 Answer

1 vote
Answer=2

Sr,Sn, and I have their valance electrons in the same electron shell, we know this because they are in the same period (row) on the periodic table.
User Rodders
by
7.1k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.8m questions

10.5m 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
Why is gold preferred as a superior metal over silver and bronze?
What is the evidence of a chemical reaction when the fireworks go off
Link Copied!