Group 1 on the periodic table (excluding hydrogen) is known as the
A) alkali metals
B) alkaline earth metals
C) transitional metals
D) noble gases
A
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In a periodic table, vertical columns are called:
A) rows
B) periods
C) groups
D) noble gases
C
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The staircase line on the periodic table separates
A) metalloids from metals
B) transition elements from representative elements
C) metals and non-metals
D) metalloids from nonmetals
C
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A horizontal row on the periodic table is called
A) a period
B) a group
C) a family
D) a series
A
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Which element is not found in group 12 of the periodic table?
A) Zn
B) Hg
C) Ga
D) Cd
