What is the mass number of an atom containing 4 protons and 5 neutrons

According to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? view available hint(s) according to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? trigonal bipyramidal tetrahedral square planar determination of electron geometry requires information on whether the electron groups are lone pairs or bonding groups.

Which are forms of frozen water? check all that apply. dew frost hail rain sleet

When the mercury level in a barometer decreases that atmospheric pressure has