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HOW MANY PROTONS AND ELECTRONS DOES IT HAVE? (Page 150)
Atoms have three parts, protons, neutrons, and electrons. The rules are really simple for protons and electrons.
For each element (or kind of atom), there is an atomic number. The atomic number tells you how many protons or
electrons the atom has. (Note that all atoms have an equal number of protons and electrons). So, using your copy
of the periodic table, answer me these 10 simple questions.
1. How many protons does Oxygen (O) have?
2. How many protons does Nitrogen (N) have?
3. How many electrons does Gold (Au) have?
4. How many electrons does Silicon (Si) have?
5. How many protons does Copper (Cu) have?
6. Which element has 6 protons and 6 electrons?
7. Which element has 20 protons and 20 electrons?
8. Which element has 92 protons?
9. Which element has 66 electrons?
10. Which element has more protons, Cerium (Ce) or Thorium (Th)?
HOW MANY PROTONS AND ELECTRONS DOES IT HAVE? (Page 150)
Atoms have three parts, protons, neutrons, and electrons. The rules are really simple for protons and electrons.
For each element (or kind of atom), there is an atomic number. The atomic number tells you how many protons or
electrons the atom has. (Note that all atoms have an equal number of protons and electrons). So, using your copy
of the periodic table, answer me these 10 simple questions.
1. How many protons does Oxygen (O) have?
2. How many protons does Nitrogen (N) have?
3. How many electrons does Gold (Au) have?
4. How many electrons does Silicon (Si) have?
5. How many protons does Copper (Cu) have?
6. Which element has 6 protons and 6 electrons?
7. Which element has 20 protons and 20 electrons?
8. Which element has 92 protons?
9. Which element has 66 electrons?
10. Which element has more protons, Cerium (Ce) or Thorium (Th)?
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