Which diagram shows electronic config of this atom in its lowest state
16.

they both have a y in them

the answer to your question is c.

if you read the house of usher you should know that the house was haunted

answer: -

reaction:

na + cl ⇌ nacl

balanced chemical equation:

na + 2cl ⇌ nacl2

sodium + clorine goes to form sodium chloride (table salt).

the product is nacl2.

and the reactants are na and cl.

(note: if you don’t know what ⇌ means, read below: -

⇌(double head arrow) means reversible reaction).