1) What is the charge of a proton? a) Positive (+1) b) Negative (-1) c) Neutral (0) 2) What is the charge of an electron? a) positive (+1) b) negative (-1) c) neutral (0) 3) The first shell holds 2 electrons. How many electrons can the other shells hold? a) 2 b) 4 c) 8 4) How many protons are there in this sodium atom? a) 11 b) 23 c) 12 5) All atoms have the same number of protons and neutrons. True or false? a) True b) False 6) What determines an atoms identity? a) protons b) neutrons c) nucleus d) electrons 7) Where are protons located? a) nucleus b) outer shell 8) Where are neutrons located? a) nucleus b) outer shell 9) Where are electrons located? a) nucleus b) outer shell 10) Atomic number is the same as - (select all that apply) a) atomic mass b) protons c) neutrons d) electrons 11) What is the charge of a neutron? a) positive b) negative c) neutral 12) This is a model of Sodium. How many electrons does it have? a) 11 b) 8 c) 2 d) 1 13) Atomic mass is the number of... a) Protons and neutrons b) Neutrons and electrons c) Protons and electrons d) Protons, neutrons, and electrons 14) An ion is an atom with.. a) A charge due to having gained/lost protons b) A charge due to having gained/lost electrons c) A higher number of neutrons than normal d) A lower number of neutrons than normal 15) An atom with an equal amount of protons and electrons will... a) Have an equal amount of neutrons b) Be called an isotope c) Be called an ion d) Have a neutral charge 16) What atom is this? (Use a periodic table for help!) a) Sodium b) Chlorine c) Hydrogen d) Neon 17) How many carbon atoms in this formula: 5 Ca CO 3  a) 5 b) 1 c) 15 d) 2 18) How many iron atoms in this formula: 3 Fe 2 SO 4 a) 3 b) 2 c) 6 d) 8 19) How many oxygen atoms in this formula: 3 C 6 H 12 O 8 a) 24 b) 3 c) 8 d) 36 20) How many protons, neutrons, and electrons does Magnesium have? a) 12 protons, 12 electrons 24 neutrons b) 12 protons, 12 neutrons, 24 electrons c) 12 protons, 12 neutrons, 12 electrons d) 24 protons, 24 electrons, 12 neutrons 21) How many protons, neutrons, and electrons does rubidium have? a) 37 protons, 37 neutrons, 85 electrons b) 37 protons, 37 electrons, 48 neutrons c) 37 protons, 48 neutrons, 85 electrons d) 37 protons, 37 neutrons, 48 electrons

Atom & Periodic table review

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