Question

which pair of elements described by the proton number will react together exothermically
a) 2 and 8
b) 12 and 16
c) 3 and 10
d) 19 and 9
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Answer 1

Answer:

b)12 and 16

Explanation:

Explanation: since proton number 10 is for an unreactive noble gas because both are 2+&2- ,so the overall charge is greater than the rest

Answer 2

Answer:

12 anf 16

Explanation:

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