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charge of a proton
by atomic number
positive
proton and electron
chemical
nitrogen
Fe
outside the nucleus
protons
If an atom is neutral, what 2 particles have equal numbers?
by atomic number
positive
proton and electron
chemical
nitrogen
Fe
outside the nucleus
protons
how the periodic table is arranged
by atomic number
positive
proton and electron
chemical
nitrogen
Fe
outside the nucleus
protons
atomic number always equals the number of these
by atomic number
positive
proton and electron
chemical
nitrogen
Fe
outside the nucleus
protons
symbol for iron
by atomic number
positive
proton and electron
chemical
nitrogen
Fe
outside the nucleus
protons
Most of our atmosphere is _______________ gas
by atomic number
positive
proton and electron
chemical
nitrogen
Fe
outside the nucleus
protons
location of an electron
by atomic number
positive
proton and electron
chemical
nitrogen
Fe
outside the nucleus
protons
change that produces new substances
by atomic number
positive
proton and electron
chemical
nitrogen
Fe
outside the nucleus
protons
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