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scinece unit D
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Question | Answer |
---|---|
the smallest part of an element that is a representive of that element | atom |
invisable negativity charged particle that orbits the nucleus | electrons |
positivily charged centere of atom | nucleus |
positivly cherged particle in the necleuse of the atom | protons |
neutrol particles in the necleus of a atom | neutrons |
moss of one atome of an element | atomic mass |
horizontal rows of elements in the periodic table | period |
vertical colum of elements on the periodic table | group |
a category in the classifiecation of living things | family |
number of protons in the neclues of one atom of a element | atomic number |