Chemistry, asked by amararam2222, 11 months ago

among the elements 2he4, 7n14, 12mg24, and 4be8 the elements stitch belong to the same period in the modern periodic table are
a.2h4 and 4be8
b.7n14 and 4be8
c.12mg24 and 2he4
d.4be8 and 12mg24

Answers

Answered by vl49079

7

Answer:

B

Explanation:

because nand be are in same period

Answered by kritikamehta122

6

Answer:

OPTION B IS CORRECT AS THEY BOTH BELONG TO SECOND PERIOD.

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