SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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All elements in a horizontal row are referred to as:
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group
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family
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period
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all of the above
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Explanation:
Detailed explanation-1: -The periodic table involves vertical columns and horizontal rows. The horizontal rows are referred as periods. The vertical columns are referred as columns.
Detailed explanation-2: -The correct option is B. Periods. Horizontal rows in the periodic table are called periods.
Detailed explanation-3: -The horizontal rows in the modern periodic table are called periods. The modern periodic table contains 7 periods.
Detailed explanation-4: -The Modern Periodic Table has 7 horizontal rows known as periods.
There is 1 question to complete.