The atomic number tells you
Nonmetals are found
Metals are found
Which class of elements best conducts electricity?
All elements that appear in the same horizontal row-
Elements in the same group or family have..
Noble gases are found in which group?
Halogens are found in which group?
Alkaline Earth metals are in group
Mass number = number of protons + number of neutrons
Metals tend to _____________ valence electrons.
Nonmetals tend to _____________ valence electrons.
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