1) Which subatomic particle has a negative charge? a) Electron b) Proton c) Neutron 2) Which subatomic particle has a positive charge? a) Neutron b) Proton c) Electron 3) What name to we give to the paths that electrons move in around the nucleus? a) shells b) orbitals c) rotations d) cycles 4) The mass number of an element is.... a) the number of protons b) the number of electrons c) the number of protons and neutrons d) the number of all subatomic particles 5) The atomic number of an element is........ in the nucleus of an atom of that element a) the number of neutrons b) the number of protons c) the number of electrons 6) Elements are found in order of....... on the periodic table a) increasing atomic number b) decreasing atomic number c) increasing mass number d) decreasing mass number 7) How many electrons can the first shell/ orbital hold? a) 1 b) 2 c) 8 8) How many electrons can the second and third orbitals / shells hold? a) up to two b) up to ten c) up to eight

Atomic Structure

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