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Atom Review

Atom Review. What are the 3 subatomic particles? What atom is the amu based on? 3. What is located in the nucleus of the atom? 4. What is the nuclear charge (the charge on an atom’s nucleus)? 5. Where in the atoms are e- found? 6. What is the atom mostly made of?. Atom Review.

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Atom Review

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  1. Atom Review • What are the 3 subatomic particles? • What atom is the amu based on? 3. What is located in the nucleus of the atom? 4. What is the nuclear charge (the charge on an atom’s nucleus)? 5. Where in the atoms are e- found? 6. What is the atom mostly made of?

  2. Atom Review • For each of the subatomic particles, give Mass Charge Location Proton Neutron electron

  3. Atom review • What is an ion? • Name the 2 kinds of ions • What is an isotope?

  4. Atom Review 11. What information does the atomic number of an element tell you? • What 2 subatomic particles give the atom most of it’s mass? • What does AMU stand for and what atom is it based on?

  5. Atom Review 14. Write the formula we use to find the average atomic mass of an element:

  6. Atom Review Questions • Neutral atoms contain equal numbers of • All isotopes of neutral sodium atoms contain _________ protons and ___________ electrons

  7. Atom Review Questions • Hydrogen has 3 isotopes. For each one tell how many protons, neutrons and e- H-1 H-2 H-3

  8. Atom Review Questions 4. For each isotope of oxygen tell how many protons, neutrons and e- O-16 O-17 O-18

  9. Atom Review Questions • What is the charge on an atom that contains 9P, 10N, 9e-? • What is this atom’s atomic number? • What is its atomic mass?

  10. Atom Review Questions • Cl-35 contains ______protons ______ neutrons ______ electrons

  11. Atom Review Questions • For the atoms below, list the number of protons, neutrons, and electrons Kr 84 36

  12. Atom Review Questions • For the atoms below, list the number of protons, neutrons, and electrons Cu +2 64 29

  13. Atom Review Questions • For the atoms below, list the number of protons, neutrons, and electrons Ca +2 40 20

  14. Atom Review Questions • For the atoms below, list the number of protons, neutrons, and electrons F -1 19 9

  15. Atom Review Questions • For the atoms below, list the number of protons, neutrons, and electrons P -3 31 15

  16. Atomic Review Questions • Write an isotope of O • Write an ion of O 16 8 16 8

  17. Atomic Review Questions 12. Describe Rutherfords Gold Foil Experiment 13. What were the 2 conclusions about the structure of the atom that resulted from the Gold Foil Experiment? 1 1

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