Question

4. An atom X
has electronic
configuration
ation a, 8.2. Is it a
non-metal. Give reason to support your
​

Answer 1

Explanation:

X=2,8=10: It is the electronic configuration of neon.

Y=2,8,7=17: It is the configuration of the halogen family of chlorine atom which is non-metal

Z=2,8,2=12: It is the configuration of alkaline earth metals of magnesium atom which is metal.

Therefore, X is a noble gas, Y is a non-metal, and Z is a metal.

Answer 2

Answer:

answer is neon

because it is noble gas it is stable and not react with other elements

Explanation:

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