What is a substance? *
A. Water
b. Anything that is unique in it's properties
c. The th...
Chemistry, 02.02.2021 18:50 jakails828
What is a substance? *
A. Water
b. Anything that is unique in it's properties
c. The things that make up all living and non-living things
d. Iron
e. All of the above
f. None of the above
Answers: 3
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If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?
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An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron
Answers: 1
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In an exothermic reaction at equilibrium, what is the effect of lowering the temperature? a. the reaction makes more products. b. the reaction makes more reactants. c. the reaction is unchanged.
Answers: 1
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