(a) Describe the Rutherford's model of an atom. State one drawback of Rutherford's model of the atom
(b) 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 ?

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 ?

Describe Rutherford's model of atom .

Explain the Rutherford's model of an atom.

State one major drawback of Rutherford's model.

Write the drawbacks of Rutherford's model of an atom.

(a) Describe Thomson's model of the atom. Which subatomic particle was not present in Thomson's model of the atom? (b) 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?

What were the drawbacks of Rutherford's model of an atom?