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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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Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.
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Chemistry, 22.06.2019 23:00
If two identical atoms are bonded,what kind of molecule is formed
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What is the mass of 3.0 mole of N20?...
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