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Question
How many groups and periods are there in the modern periodic table?
How many groups and periods are there in the modern periodic table?
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Solution
The correct option is B 18 Groups and 7 Periods
The Modern periodic table has vertical columns called groups and horizontal rows called periods. There are 18 groups and 7 periods in total.
18 Groups and 7 Periods
The Modern periodic table has vertical columns called groups and horizontal rows called periods. There are 18 groups and 7 periods in total.
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