The ion of an element has 3 positive charges The mass number of the atom is 27 and the number of neu...

Question

The ion of an element has 3 positive charges The mass number of the atom is 27 and the number of neutrons is 14 What is the number of electrons in the ion a 13 b 10 c 14 d 16

Accepted Answer

The answer is b 10 Explanation Mass number A of the atom 27 Number of the neutron in the atom 14 Number of ElectronsMass numberNumber of neutrons2714 Number of electrons 13 Since ions of the element have 3 positive charges number of the electron in the ion is 133 which equals 10 Hence the answer is 10

NCERT Exemplar Solutions Class 9 Science Solutions for Structure of the Atom - Exercise in Chapter 4 - Structure of the Atom