Chemistry, 23.06.2020 20:01 klocke2001
This is how fluorine appears in the periodic table. A green box has F at the center and 9 above. Below it says fluorine and below that 19.00. A blue arrow points to 9. What information does "9” give about an atom of fluorine? Select three options. the atomic number the atomic mass the number of protons the number of electrons the number of neutrons
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This is how fluorine appears in the periodic table. A green box has F at the center and 9 above. Bel...
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