Question

What is the atomic number of Al3+, if it has 13 protons, 10 electrons, 14 neutrons?
(a) 13 (b) 10 (c) 14 (d) 27

Answer 1

Answer:

As we know that atomic Number Of an atom is no of protons in it...so according to question it should be 13.

Hope it helps ^_^

Answer 2

Answer:

atomic no. of Al³+ should be 10 because it is gaining three electrons so it should be subtracted from the atomic no. of Al