1. ______ is the smallest particle of a chemical element. 2. The ______ are combination of atoms of various elements or the same element.

Question

Fill in the blanks :

1. ______ is the smallest particle of a chemical element. 

2. The ______ are combination of atoms of various elements or the same element. 

3. According to John Dalton, atom is a hard, solid, ball and it is ______ 

4. ________ compared an atom to a watermelon. 

5. The particles that make up the atom are called _________ particles.

Answer 1

1. Atom 

2. molecules 

3. indivisible 

4. J.J. Thomson 

5. sub-atomic