1) How many electrons are there in phosphorus? a) 15 b) 31 c) 16 2) How many protons are there in Hydrogen? a) 0 b) 1 c) 2 3) How many Neutrons are there in Oxygen? a) 16 b) 32 c) 8 4) How many Electrons are there in Sodium? a) 12 b) 23 c) 11 5) How many neutrons are there in Aluminium? a) 13 b) 14 c) 27 6) How many Protons are there in Flourine? a) 19 b) 9 c) 10 7) How many electrons are there in Neon? a) 10 b) 201 c) 20 8) Waht is the atomic mass of Nitrogen? a) 7 b) 14 c) 28 9) Wht is the charge on an electron? a) £0.00 b) Minus / negative c) Plus / positive 10) What is the mass of a proton? a) 1000kg b) 1 c) 0

Atomic composition

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