Question

(ii) An element X has electronic configuration 2,8. The element X is a
[Metal/Non-metal/Noble gas​

Answer 1

Answer:

X= Neon

Explanation:

The chemical element neon is classed as a noble gas and a nonmetal

Answer 2

Answer:

An element has electronic configuration is 2, 8

means the atomic no. of elements 10

According to octate rule it will participate in reaction, so it is noble gas