Chemistry, 07.10.2019 07:30 hernan99961
Nitrogen (n), oxygen (o), chlorine (cl), neon (ne), and argon (ar) are all elements that occur as a gas at room temperature (20°c). using the periodic table, which pair of gases has the most similar properties?
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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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Nitrogen (n), oxygen (o), chlorine (cl), neon (ne), and argon (ar) are all elements that occur as a...
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