National 5: Chemistry: what is the relationship between the group of a molecule's central atom and its shape?

Question

what is the relationship between the group of a molecule's central atom and its shape?

Marilyn Bob-Manuel 3ekt · Accepted Answer

in angular, trigonal pyramidal and tetrahedral molecules, if central atoms have the same group the molecule will have the same shape

What is the relationship between the group of a molecule's central atom and its shape?