In which group do most of the elements have 8 valence electrons?

Give the orbital configuration of the phosphorus (p) atom.

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

Draw any one of the skeletal structures of a 2° alkyl bromide having the molecular formula of c6h13br and two stereogenic centers. indicate chirality by using wedge and hashed wedge notation. lone pairs do not need to be shown.