What triggers nuclear fusion in stars?

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

Which formula can be used to calculate the molar mass of hydrogen peroxide

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.