Based on the atoms which ones would be in the same period?

What type(s) of intermolecular forces are expected between ch3ch2cooh molecules? dipole forces, induced dipole forces, hydrogen bonding

Achemical reaction is done in the setup shown, resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?

In which phase of mitosis do the spindle fibers pull the chromosomes apart to opposite sides of the cell ?