Question 1(Multiple Choice Worth 2 points) (04.05 LC)

What does the atomic mass of an atom tell us?

How much the atom weighs
The number of electrons in the atom
Which row the element is in on the periodic table
The number of energy levels in the atom

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.

i already answered it by 34/s