Question | Answer |
1. What 2 things will the atomic number of an element tell you? |
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2. Identify the element with 79 protons. |
| 3. Why do electrons stay with the nucleus of an atom instead of flying off in every direction? |
| 4. Identify the element with 47 protons. |
| 5. Identify the element in period 5, group 17. |
| 6. Identify the metalloid in period 3. |
| 7. What kind of electric charge does an electron have? |
| 8. Identify the element with 5 neutrons. |
| 9. Identify the metalloid in group 13. |
| 10. Identify the element with 14 neutrons. |
| 11. Identify the element with 3 protons, 4 neutrons, and 3 electrons. |
| 12. How many protons, neutrons, and electrons are in phosphorus? |
| 13. What does an element’s atomic mass represent? |
| 14. Name at least 2 other elements that have similar properties to the element that has 8 protons, 8 neutrons, and 8 electrons. |
| 15. What is the electric charge of a neutron? |
| 16. What period is the element that has 5 protons, 6 neutrons, and 5 electrons in? |
| 17. What group number is the element that has 7 protons, 7 neutrons, and 7 electrons in? |
| 18. What element has 18 neutrons? |
| 19. What is the formula used to calculate the number of neutrons in an atom? |
| 20. Why do atoms have a neutral electric charge? |
| 21. What group and family does the element that has 12 protons, 12 neutrons, and 12 electrons belong to? |
| 22. What 2 particles are contained in an atom’s nucleus? |
| 23. Where can electrons be found within an atom? |
| 24. What is the electric charge of a proton? |
| 25. Identify the element that has 33 protons. | |