Question

#.Answer the following questions:

Q-1. What are Atoms and Molecule? Explain with example,
Q-2.Fill in the blanks

I. The Size of Atoms are measured in ___________

2. Nanometre (nm) =_______

3. Water molecule =________ metre = _________ nanometre

4. Atom of Hydrogen =________ nanometre

Q-3. Name any three Atoms.​

Answer 1

class 9 science

Explanation:

see from book