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atom the smaller unite of matter.
atomic mass the "weight of an atom the same as the mass number
scienctific evidence collection of observation that many people have made. everyone agree on the same collection of observation as new evidence is gathered models are refined and changed.
atomic number the number of protons in the nucleus of an atom
mass number #of protons and number of neutrons.
scientific model when a model is supported by scientific evidence it is usually accepted by the sciencetic community.
scienctific mode an idea that allows us to create explantions of how we think some part of the world works,similar to atheory.
Created by: farzana