1) If an atom has 12 protons, how many electrons will it have? a) 6 b) 10 c) 11 d) 12 2) what is the electronic arrangement for potassium? a) 2,8,8,1 b) 2,8,1 c) 2,8,2 d) 2,1 3) What is the link between the outer shell electrons and the group that the element belongs to? a) The group tells us how many shells there are. b) It tells us how many electrons are in the outer shell. c) It tells us how many electrons the element needs. 4) How many electrons does F needs to get to have a full shell? a) 2 b) 3 c) 4 d) 1 5) How many electrons are there in a sodium atom? a) 23 b) 11 c) 12 d) 24 6) How many electrons are in a sodium ion? a) 11 b) 12 c) 10 d) 9 7) What is the overall charge on a sodium ion? a) 0 b) +1 c) +2 d) -1 e) -2 8) what is the overall charge on a chorine atom? a) 0 b) +1 c) +2 d) -1 e) -2 9) What is the formula for calcium chloride? a) CaCl b) Ca₂Cl c) CaCl₂ d) Ca₂Cl₂ 10) What is the name we give to the giant structure of ions in sodium chloride? a) Giant lettuce b) Giant lattice c) Giant structure d) The Big friendly Giant

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