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Chem Unit Stack

Chemistry

QuestionAnswer
what is a molecule? the simplest structural unit of an element or compound.
what is matter? Matter is everything.
what is a boiling point? The temperature at which a liquid changes to a gas.
what is melting pointing? The temperature at which a solid changes to a liquid.
what is an element? any of the more than 100 known substances that cannot be separated into simpler substances and that singly or in combination constitute all matter.
what is a compound? a pure substance of two or more elements.
What is inside an atom? Nucleus, Protons, Neutrons.
What is an atomic mass? total number of protons and neutrons in the nucleus of the atom.
Created by: chem unit 919