What is group 18 of the periodic table called?
non-metals
metalloids
metals
noble gases
What are groups 1, 2, and 3 examples of on the periodic table?
metals
metalloids
non-metals
noble gases
Valence electrons are:
electrons in the outermost shell
all the electrons
electrons in the innermost shell
The elements in a group have similar properties because they have the same number of
protons
neutrons
valence electrons
atoms
Elements are more stable when they have how many valence electrons
7
5
2
8
