In order to measure the mass of water, it needs to be . in a container

in space

on a surface

warmed up

Connect the whole numbers on the periodic table to indicate what they represent?

Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease

Describe the forces both attractive and repulsive that occur as two atoms move closer together.