1. What part of an atom is the arrow pointing to? A. proton B. electron C. neutron D. shell E. nucleus

2. What part of an atom is the arrow pointing to? A. proton B. electron C. neutron D. shell E. nucleus

3. What part of an atom is the arrow pointing to? A. proton B. electron C. neutron D. shell E. nucleus

4. What part of the atom is in the box? A. proton B. electron C. neutron D. shell E. nucleus

5. What are the positively charged particles in an atom called? A. proton B. electron C. neutron D. shell E. nucleus

6. What are the neutral particles in an atom called? A. proton B. electron C. neutron D. shell E. nucleus

7. What are the negatively charged particles in an atom called? A. proton B. electron C. neutron D. shell E. nucleus

8. How many electrons are in this atom? A. 4 B. 14 C. 8 D. 7 E. 6

9. How many neutrons are in this atom? A. 4 B. 14 C. 8 D. 7 E. 6

10. How many protons are in this atom? A. 4 B. 14 C. 8 D. 7 E. 6

11. What is the atomic number of this atom? A. 4 B. 14 C. 8 D. 7 E. 6

12. What is the atomic mass of this atom? A. 4 B. 14 C. 8 D. 7 E. 6

13. This atom is an atom of the element ______________. A. oxygen B. sulfur C. chlorine D. carbon E. nitrogen