Web Analytics

Which statement best describes the nucleus of an aluminum atom?

(1) It has a charge of +13 and is surrounded by a total of 10 electrons.

(2) It has a charge of +13 and is surrounded by a total of 13 electrons.

(3) It has a charge of –13 and is surrounded by a total of 10 electrons.

(4) It has a charge of –13 and is surrounded by a total of 13 electrons.