The atoms along the staircase are called metals. The atoms along the staircase are called nonmetals. The atoms along the staircase are called metalloids.
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what section of the periodic table is the least reactive?
EBCE5135
Noble gases Noble gases are nonreactive, nonmetallic elements in group 18 of the periodic table. Noble gases are the least reactive of all elements. That's because they have eight valence electrons, which fill their outer energy level.
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Answer:
The atoms along the staircase are called metals. The atoms along the staircase are called nonmetals. The atoms along the staircase are called metalloids.
Explanation:
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Noble gases are nonreactive, nonmetallic elements in group 18 of the periodic table. Noble gases are the least reactive of all elements. That's because they have eight valence electrons, which fill their outer energy level.