Question

Atomic number of an element is 19.

(i) Is it a metal or non-metal?

(ii)Will the size of this element be greater than that of sodium?​

Answer 1

Explanation:

it's electronic configuration is 2,8,8,1

It is a metal because it has 1 electron in its last shell

2. no

Answer 2

Answer:

it is pottasium it is a non metal

yes

Explanation:

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