Question

Which of the following statements about the Modern Periodic Table is
correct:
(a) It has 18 horizontal r.ows known as Periods

(b) It has 7 vertical columns known as Periods

(c) It has 18 vertical columns known as Groups

(d) It has 7 horizontal rows known as Groups
​

Answer 1

Answer:

c and d option is true...

Explanation:

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Answer 2

Answer:

HII.

Explanation:

The Modern Periodic table has 18 vertical columns known as groups and 7 horizontal rows known as periods.

MEANS 'C' ONE IS THE ANSWER.

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