Complete the sentence: electrons surround the nucleus of an atom in fixed .

shell ,orbit , this is the answer of this qn

- both b and d.

-since b and d are the closest coastlines then that makes it the most affected.

< 3

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).