How many groups and periods are there in the modern periodic table?

18, 8

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8, 18

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18, 7

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7, 18

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Solution

The correct option is A
18, 8

In the modern periodic table, there are 18 columns called groups and 8 rows called periods.

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Similar questions

(a) State the modern periodic law.

(b) How many periods and groups are there in the modern periodic table?

Where would you locate the element with electronic configuration 2, 8 in the modern periodic table?

(a) group 8 (b) group 2 (c) group 18 (d) group 10

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