Question

The particle with 13 protons and 10 electrons is
A) Al -atom
B) Al3+ ion
C) nitrogen isotope
D) None of these

Answer 1

Answer:

B) Al3+ion

Explanation:

as in ion that has a net electrical charge due to loss or gain of one or more electrons .so there is a loss of 3+electrons as indicated above ....as aluminium atomic number is 13 and 13prptons shows that it has 13 electron also but thete is given 10 electrons therefore the 3electrons are lossen up ......