Question

Elements A, B and C have atomic numbers 18,8 and 19 respectively. State which one is (a) metal

(b) non-metal
(c) chemically inert.
Give the reason for your answer. ​

Answer 1

Answer:

A is a non-metal; B is a metal while C is a chemically inert element.

dude have a lovely day ahead

Answer 2

Answer:

a)Kalium(19)

b) Oxygen (8)

c)Argon(19)