1) How many protons does lithium have? a) 1 b) 2 c) 3 d) 4 e) 5 f) 7 2) How many electrons does sodium have? a) 10 b) 11 c) 12 d) 13 e) 14 f) 15 3) How many neutrons does sodium have? a) 10 b) 11 c) 12 d) 13 e) 14 f) 15 4) Neutrons are negative a) True b) False 5) What gas is made when a metal reacts with an acid? a) Carbon dioxide b) Hydrogen c) Water d) Methane e) Oxygen f) Gas 6) How would you test for hydrogen? a) burns with a pop b) puts fire out c) relights a glowing splint d) turns limewater milky 7) The metals are on the left of the periodic table a) True b) False 8) What element is group 2, period 4? a) Li b) Be c) Sr d) Ca e) Na f) C 9) What salt is made when HCl reacts with NaOH? a) Acid b) H2O c) NaCl d) SO2 e) NaSO2 f) NaCO3 10) What salt is made when Sulfuric acid reacts with Sodium hydroxide? a) Table salt b) Sodium chloride c) Sodium nitrate d) Sodium sulfate e) water f) hydrogen sulfate 11) What salt is made when you add copper oxide to sulfuric acid? a) sodium chloride b) sodium nitrate c) copper chloride d) copper oxide e) hydrogen f) copper sulfate 12) When an acid and a base react they form a _________________ solution. a) Red b) alkaline c) blue d) neutral e) copper

Chemical reactions 2.2 RCx

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