Download - Atomic 5
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Challenge #5
T. Trimpe 2008 http://sciencespot.net/
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Use a periodic table to help you identify each element. Give its symbol for the answer.
1. I am a member of the Boron family with 49 protons.
2. I have a total of 74 electrons in an atom.
3. I have an atomic mass of 55.847.
4. I have 8 neutrons in an atom.
5. I have 14 protons, 14 neutrons, and 14 electrons in an atom.
6. I have 99 protons and 99 electrons in an atom.
7. I am a member of the Halide family with 18 neutrons.
8. I have 20 neutrons, but only 2 valence electrons.
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The answers are …
1. I am a member of the Boron family with 49 protons.
2. I have a total of 74 electrons in an atom.
3. I have an atomic mass of 55.847.
4. I have 8 neutrons in an atom.
5. I have 14 protons, 14 neutrons, and 14 electrons in an atom.
6. I have 99 protons and 99 electrons in an atom.
7. I am a member of the Halide family with 18 neutrons.
8. I have 20 neutrons, but only 2 valence electrons.
In
W
Fe
O Si
Es
Cl
Ca