Answer :
"Is group 13 more or less reactive than group 1?" - LESS
group 1 it is metals (ONLY metals), additionaly it's very strong metals (very reactive)
while
group 13 it's one non-metal and weak metals.
group 1 it is metals (ONLY metals), additionaly it's very strong metals (very reactive)
while
group 13 it's one non-metal and weak metals.