Atoms Quiz

Click on the radio buttons in front of the correct answers to the questions.

1. This is the smallest particle of an element.

atom compound mixture

2. This is a substance made up of only one kind of atom.

mixture compound element

3. The center of the atom that contains the proton and neutron is the

electron nucleus orbit

4. An atom with more neutrons than protons is called a/an

element compound isotope

5. The part of the atom with a positive charge is the

proton neutron electron

6. The part of the atom with a negative charge is the

proton neutron electron

7. Most of the mass of an atom is in the nucleus.

True False

8. The total number of protons in the atom is its

atomic weight atomic energy atomic number

9. The sum of the protons and neutrons in an atom is its

atomic weight atomic energy atomic number

10. The part of the atom that orbits the nucleus is the

proton neutron electron

11. The chemical combination of two or more atoms in fixed amounts is called a

mixture orbit compound

12. The smallest part of a compound that still is that compound is a

mixture molecule nucleus

 

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