University:
Harrisburg University of Science and Technology
Course:
HEM 210 | Organic Chemistry I
Academic year:

2023
Views:

345

Pages:

2
Author:

Mollie Contreras

Subatomic Particles Worksheet Name:__________________ Put the correct answer in the space provided (you will need a Periodic Table): (3 pts each) 1. What is the atomic number of oxygen (O)? __ 8___ 13___ 3. How many electrons does a calcium (Ca) atom have? __ 20___ 2. How many protons does an aluminum (Al) atom have? __ For #4 - #6, consider a potassium (K) atom with a mass number of 41: 19___ 5. How many electrons does this atom have? __ 19___ 6. How many neutrons does this atom have? __ 22___ 4. How many protons does this atom have? __ For #7 - #9, consider the atom with A = 95 and Z = 42: 53___ 8. How many protons does this atom have? __ 42 ___ 9. What is the atomic symbol for this element? __ Mo___ 7. How many neutrons does this atom have? __ For #10 - #12, consider the atom with 35 protons, 35 electrons, and 45 neutrons: 10. What is the atomic symbol for this element? __ Br___ 35___ 12. What is the mass number of this atom? __ 80___ 11. What is the atomic number of this atom? __ For #13 - #15, consider a copper (Cu) atom with a mass number of 64: 29___ 14. What is the A value for this atom? __ 64___ 13. What is the Z value for this atom? __ 15. How many neutrons does this atom have? __ 35___ For #16 - #18, consider the following symbol  14 C 6___ 17. How many electrons does this atom have? __ 6 ___ 18. How many neutrons does this atom have? __ 8 ___ 16. How many protons does this atom have? __ For #19 - #21, consider the iron (Fe) ion with an overall +3 charge and A = 56: 26___ 20. How many electrons does this ion have? __ 23 ___ 21. How many neutrons does this ion have? __ 30___ 19. How many protons does this ion have? __ For #22 - #24, consider the iodine (I) ion with an overall –1 charge and A = 126: 53___ 23. How many electrons does this ion have? __ 54 ___ 24. How many neutrons does this ion have? __ 73___ 22. How many protons does this ion have? __ For #25 - #26, consider an ion with 50 protons, 46 electrons, and 70 neutrons: 25. What is the charge on this ion? _ -4____ 26. What is the mass number of this ion? __ 120___ For #26 - #27, consider an ion with 25 protons, 20 electrons, and 30 neutrons: 27. What is the charge on this ion? __ +5___ 28. What is the atomic symbol of this ion? __ V___ For #28 - #30, consider the following symbol  238 U+3 92___ 30. How many electrons does this ion have? __ 89 ___ 31. How many neutrons does this ion have? __ 146 ___ 29. How many protons does this ion have? __