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about atoms
Question | Answer |
---|---|
this is found in the nucleus and have no charge or they are neutral | neutron |
determines the atomic number and has one positive charge | proton |
is negitivly charged and is found in surrounding area around the neucleus | electron |
The total mass of protons and neutrons in an atom. | atomic mass |
the central area of the atom that has great density | nucleus |
th surrounding area around the nucleus that is mostly emptyspace | electron cloud |
the amount of protons in the atom | atomic number |
the atomic mass that is rounded to make it a whole number | mass number |