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sci 17
| Question | Answer |
|---|---|
| atom | the smallest particle of an element. |
| atomic number | the number protons in the nucleus of an atom. |
| average atomic mass | average mass of the mixture of an elements isotopes. |
| electron | particles surrounding an atom |
| electron cloud | where eletrons are around the atom |
| electron dot diagram | the repersentation of the eletrons on a atom diagram |
| group | a colum on the periodic table |
| isotope | abnormal numbers of nutrons |
| mass number | protons + nutrons in an atom |
| neutron | nutral particle of an atom |
| nucleus | center of an atom |
| period | row on the peirodic table |
| periodic table | chart of elements |
| proton | positive part of atom |
| quark | the things that make up protons and nutrons |