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Which of the given element A, B, C, D and E with atomic number 2, 3, 7, 10and 30 respectively belong to the same period?

(a)

A, B, C

(b)

B, C, D

(c)

A, D, E

(d)

B, D, E


Question ID - 154876 | Toppr Answer

Which of the given element A, B, C, D and E with atomic number 2, 3, 7, 10and 30 respectively belong to the same period?

(a)

A, B, C

(b)

B, C, D

(c)

A, D, E

(d)

B, D, E

1 Answer - 5876 Votes

3537

Answer Key : (b) -

B, C, D



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