Atomic Structure

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1. is made up of two or more atoms.

2. is the smallest unit to measure lengths.

3. discovered electron.

4. Thomson's atom model is called .

5. Protons and neutrons are called .

6. Proton was discovered by .

7. was discovered by chadwick.

8. Combining property of atom is called .

9. An atom is electrically .

10. is the number of proton is an atom.