Moo7ne1Peckychrison
Moo7ne1Peckychrison Moo7ne1Peckychrison
  • 30-12-2015
  • Chemistry
contestada

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

Respuesta :

VenusRetrograde
VenusRetrograde VenusRetrograde
  • 30-12-2015
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.
Answer Link

Otras preguntas

Select all the correct answers. Jennie is preparing for a debate on whether students should be allowed to carry cell phones in school. She is arguing for the pr
1. n-3 104, d-16 =-5
How does Australia compare in size and surface with other continents
Mexico City's most pressing environmental issue is A) mountain erosion. B) dangerous air pollution. C) erosion along the coastline. D) cutting down of the
Water that contains a larger than normal amount of___________ is still safe to drink. A sulfur C lead B arsenic
Parents should start a constructive criticism conversation with what?
Diffusion of water across a membrane from areas of higher concentration to areas of lower concentration is called
Many animals live in the polar ice ecosystem.what makes that possible?
What divides the heart into left and right halves
how are lunar and solar eclipses similar?