Chemistry, asked by rina25217, 1 year ago

The atomic number of the elements A, B and C are 17, 18 and 20 respectively. among them which one is metal and which one is non metal

Answers

Answered by laxmimandapally01

0

Answer:

17,18 are non metals and 20 is a metal.

Answered by ghanshyamrlsp39

0

Explanation:

A- Clorine(17)

B- Argon(18)

C- Calcium(20)

(c) calcium is metal,

rest (A and B) are non metal

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