1) An element has an atomic mass of 50 and an atomic number of 25. How many neutrons are in the atom? a) 50 b) 25 c) 2 d) 75 2) An element has an atomic mass of 19 and an atomic number of 9. How many neutrons are in the atom? a) 10 b) 9 c) 19 d) 28 3) An element has an atomic mass of 22 and 10 protons. How many neutrons are in the atom? a) 10 b) 22 c) 32 d) 12 4) An element has an atomic mass of 10 and 5 protons. How many neutrons are in the atom? a) 10 b) 15 c) 5 d) 2 5) An element has 14 protons and 15 neutrons. What is the atomic mass? a) 14 b) 15 c) 29 d) 1 6) An element has 7 protons and 8 neutrons. What is the atomic mass? a) 15 b) 8 c) 7 d) 1

Calculating Neutrons

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