<p>Subatomic Particles Worksheet Name:______</p><p>Put the correct answer in the space provided (you will need a Periodic Table): (3 pts each)</p><p>1. What is the atomic number of oxygen (O)? _____ 2. How many protons does an aluminum (Al) atom have? _____ 3. How many electrons does a calcium (Ca) atom have? _____</p><p>For #4 - #6, consider a potassium (K) atom with a mass number of 41: 4. How many protons does this atom have? _____ 5. How many electrons does this atom have? _____ 6. How many neutrons does this atom have? _____</p><p>For #7 - #9, consider the atom with A = 95 and Z = 42: 7. How many neutrons does this atom have? _____ 8. How many protons does this atom have? _____ 9. What is the atomic symbol for this element? _____</p><p>For #10 - #12, consider the atom with 35 protons, 35 electrons, and 45 neutrons: 10. What is the atomic symbol for this element? _____ 11. What is the atomic number of this atom? _____ 12. What is the mass number of this atom? _____</p><p>For #13 - #15, consider a copper (Cu) atom with a mass number of 64: 13. What is the Z value for this atom? _____ 14. What is the A value for this atom? _____ 15. How many neutrons does this atom have? _____</p><p>For #16 - #18, consider the following symbol  14C 16. How many protons does this atom have? _____ 17. How many electrons does this atom have? _____ 18. How many neutrons does this atom have? _____</p><p>For #19 - #21, consider the iron (Fe) ion with an overall +3 charge and A = 56: 19. How many protons does this ion have? _____ 20. How many electrons does this ion have? _____ 21. How many neutrons does this ion have? _____</p><p>For #22 - #24, consider the iodine (I) ion with an overall –1 charge and A = 126: 22. How many protons does this ion have? _____ 23. How many electrons does this ion have? _____ 24. How many neutrons does this ion have? _____</p><p>For #25 - #26, consider an ion with 50 protons, 46 electrons, and 70 neutrons: 25. What is the charge on this ion? _____ 26. What is the mass number of this ion? _____</p><p>For #26 - #27, consider an ion with 25 protons, 20 electrons, and 30 neutrons: 27. What is the charge on this ion? _____ 28. What is the atomic symbol of this ion? _____</p><p>For #28 - #30, consider the following symbol  238U+3 29. How many protons does this ion have? _____ 30. How many electrons does this ion have? _____ 31. How many neutrons does this ion have? _____</p>