Can conduct electricity in aqueous solution, has high melting or boiling points
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15
What ion will be formed from oxygen if it GAINS electron to be stable? (Make sure to include the charge)
O²⁻
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10
Which rule states that atoms tend to bond until they have eight (8) valence electrons?
Octet Rule
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10
Name ONE atom that tends to be stable with only TWO electrons in the first energy level.
Hyrdogen (H) or Helium (He) or Lithium or (Li) or Berrylium (Be)
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What do you call an ion with a net POSITIVE charge?
cation
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What is the correct chemical formula for calcium nitride?
Ca₃N₂
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15
Draw the LEDS of Chlorine (Cl)
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Draw the LEDS for Silicon (Si).
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25
Draw the transfer of electrons between Mg and O using LEDS. Include the FINAL LEDS.
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20
Calcium carbonate is the compound that makes up most of the seashells. What is the chemical formula for it? (Wrong capitalization of letters will be incorrect).
CaCO₃
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Sulfates are usually found in shampoos. What is the chemical formula of this polyatomic ion? (Make sure to include the charge)
SO₄²⁻
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10
Name ONE example of a METAL.
Correct answers include all the highlighted atoms in the image.
