An element has 2 valence electrons and 3 energy levels. It is located in
group

3

Explanation:

All elements in group 3 have 3 levels of energy.

Na (sodium) has 3 valences the inner has 2 electrons, the middle has 8 electrons and the outer has 1 electron.

This will continue across the group 3 adding one more electron to the outer valence until Ar (argon).

Remember the Octet rule of 8..?

passive transport is a movement of biochemicals and other atomic or molecular substances across cell membranes without need of energy input. unlike active transport, it does not require an input of cellular energy because it is instead driven by the tendency of the system to grow in entropy.

so, according to what that says, i believe it's hypertonic and hypotonic.

good luck!