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9. What type of bonds hold polyatomic ions together?
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What type of bonds hold polyatomic ions together? A. Metallic B. Covalent C. Hydrogen D. Ionic
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How is the mass number calculated for an element
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What mass of sulfur has to burn to produce 4.5l so2 at 300°c and 101kpa s(s) o2( g. so2( g.?
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The number of protons in an atom’s nucleus determines its
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A compound composed of electrically chargerd atoms is called?
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Which hemisphere of the earth releases the most carbon dioxide into the atmosphere? why
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Which atom on the periodic table would require the most energy to take its electron
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What type of bonds hold the atoms together in polyatomic ions
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What part of an atom cannot change without changing the atom’s identity??
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The mass in grams of 6.0 mol hydrogen gas (contains h2) is
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The average mass of all isotopes of n element is called the ______
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The atomic mass is a measure of _____.protons plus neutronsatomic energycharge
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If the atomic weight of nitrogen is 14.0, what is the mass of one mole of nitrogen gas (n2)?
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How many o atoms are present in 1.04 mol of mgso4??
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Atoms of the same element that different in the number of neutrons are classified as
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How is the mass of a liquid substance affected after it freezes?