OOPS-Wrong Answer
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Periodic Table and Chemistry Question #1
Hint-This family, on the far right of the periodic Table, includes the elements Argon and Neon
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Periodic Table and Chemistry Question #2
Hint-Chlorine and Fluorine are in this family..
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Periodic Table and Chemistry Question #3
Hint: These are found along the bottom of the Periodic Table, separated from the rest of the table.
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Periodic Table and Chemistry Question #4
Hint: The Atomic Number gives the number of protons and electrons (in a neutral atom)!
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Periodic Table and Chemistry Question #5
Hint: Neutrons are calculated by subtracting the ATOMIC NUMBER from the ATOMIC MASS!
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Periodic Table and Chemistry Question #6
Hint: Magensium is labeled Mg 2+ when it gives up two electrons. Isotopes are atoms of the same element with different numbers of neutrons.
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Periodic Table and Chemistry Question #7
Hint: In an ELEMENT there is only one type of atom. In a COMPOUND, there is more than one type of atom..
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Periodic Table and Chemistry Question #8
Hint: H2O has 2 Hydrogen atoms and 1 Oxygen atom.
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Periodic Table and Chemistry Question #9
Hint: H2O has 2 Hydrogen atoms and 1 Oxygen atom.
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Periodic Table and Chemistry Question #10
Hint: 2-8-8 (yep--that's all you get!)
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Periodic Table and Chemistry Question #11
Hint:Add up the masses of all of the atoms in the formula and convert to g...
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Periodic Table and Chemistry Question #12
Hint Li+ and F- are IONS....
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Periodic Table and Chemistry Question #13
Hint: Physical changes involve a change of PHASE or STATE--as in solid--->liquid
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