What explains the observation that elements in the same chemical group have similar chemical properties?

answer by yourhope:

how do models compare to real-world objects?

d. most models represent a real-world object in a simpler way.

: )

answer:

technetium is the most reactive. this is followed by silver. the least reactive out of these three elements is strontium.

yes

ya te ayud espera

you did not give any options thus this is the best answer i can give to you with this little information you have given

> they are both natural and not man made

> they can be tracked and predicted by the right tools

-love shrooms