Chemistry, asked by mitu1275, 8 hours ago

A metal has atomic mass 40u and is common in all forms of lime. It belongs to :
(A) Gr-12, 2nd period (B) Gr-IIA, 4thperiod (C) Gr-14, 4thperiod (D) Gr-IIIB, 4thperiod

Answers

Answered by sarveshjajoo

0

Answer:

B

Explanation:

Calcium is the metal

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