Science, asked by mintukumarmes, 4 months ago

Which of the given elements A, B, C, D and E with atomic number
2, 3, 7, 10 and 30 respectively belong to the same period?
(a) A, B, C
(b) B, C, D
(c) A, D, E
(d) B.D. E

Answers

Answered by 292003pc

2

Answer:

(b) B,C,D

Explanation:

please mark as brainliest

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