An atom of aluminum in the ground state and an atom of gallium in the ground state have the same
(1) mass
(2) electronegativity
(3) total number of protons
(4) total number of valence electrons

The approximate distance from earth to the moon is 240 thousand miles. the approximate distance from earth to the sun is 93 million miles. in standard notation, the approximate distance from the sun to earth is miles greater than the approximate distance from earth to the moon. in scientific notation, the distance is m × 10n, where m is and n is .