Match the properties to the family of elements they describe.

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene