As you go down a group on the periodic table, the trend is that elements ___________________
become less reactive
have the same level of reactivity
become more reactive
Match the following -
table salt- -Molecular Formula
NaCi- -Scientific Name
sodium chloride- -Common Name
Most of an atom is empty space. If an atom was the size of a sports stadium, what could be the size of the nucleus?
A hot air balloon
A golf ball
A basketball
A pea