An element has six valence electrons available for bonding. which group of the periodic table does this element most likely belong to?
a. group 2
b. group 4
c. group 16
d. group 18

Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.

What is the mass of 8 moles of sodium atoms