Shanis Attoms Word Scramble
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Question | Answer |
atomic mass | the weight of an atom-the same as the mass # |
atom | the smallest unit of matter-has all the chemical characteristics of an element. Cannot be seen, even with a microscope. |
scientific evidence | collection of observations that many people have made. |
atomic number | number of protons in the nucleus of an atom. # of protons= # of electrons. as long as the atom is neutral (has no charge) |
mass number | a number of protons + the number of neutrons |
scientific model | an idea that allowsus to create explanations of how we think some part of the world works. similar 2 a THEORY. |
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shanie61
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