SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The horizontal rows on the periodic table are known as
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periods.
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atoms.
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groups or families.
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valence electrons.
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Explanation:
Detailed explanation-1: -The horizontal rows in a periodic table are called group.
Detailed explanation-2: -Hence, the given statement is true.
There is 1 question to complete.