How do the elements in each group differ?

The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons. ... Every element in the first column (group one) has one electron in its outer shell. Every element in the second column (group two) has two electrons in the outer shell.

the offspring would all be white. if the parents are both white flowers then they have the genotype rr, which when crossed results in an all white punnet square.

so whats the answer