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Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0
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The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true
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Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.
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Put 6.93 x 10^5 into standard notation....
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