Chapter 3 section 1 Word Scramble
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Questions | Answer |
atomic mass | the total number of protons and neutrons in the nucleus of the atom. the average mass of one atom of an element |
atomic mass unit | a unit which is used to represent the mass of one proton or neutron |
atomic number | the number of protons in the nucleus of an atom |
chemical symbol | a tiny, negatively charged particle that moves around the nucleus of an atom |
family | a vertical column of elements in the periodic table which have the same number of valence electrons and other similar properties |
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