An ion has a net charge of -1 .it has 18 electrons and 20 neutrons . The number of protons is

Mg^(2+) has 10 electrons What is the number of protons in it?

An atom of an element contains 29 electrons and 35 neutrons. Deduce (i) the number of protons (ii) the electronic configuration of the element.

The mass number of an element is 18. It contains 7 electrons. What is the number of protons and neutrons in it ? What is the atomic number of the element ?

The mass number of an element is 23 and it contains 11 electrons. What is the number of protons and neutrons in it ? What is the atomic number of the element ?

Out of electrons, protons and neutrons, which are same in isotopes ?

Compare the properties of electron, proton and neutron

What is the relationship between an atom containing 11 protons, 11 electrons and 11 neutrons, and another atom containing 11 protons, 11 electrons and 12 neutrons ?