g Predict the hybridization about the central atom in the given structure. A molecule with atom Y single bonded with 3 X substituents. The Y atom has two lone pairs.

sp3d

Explanation:

The Central atom Y is singly bonded to 3 X substituents and it has two lone pairs.

An example of compound that fits this description is BrF3.

The central atom used d orbitals for hybridization.

The 2 lone pair plus three single bond equals 5.

As the hybridization value is equal to 5 it gives rise to sp3d hybrid orbitals.

the first point, i am pretty sure.

you need to take a look at the periodic system in order to sort these elements into pairs that would most likely exhibit similar chemical properties. first, you need to find elements that are found in the same group (groups are vertical in the periodic system), and then to see whether they have the same valence number. if they meet these criteria, they will have similar properties.

the first pair: ne (neon) and kr (krypton), are noble gases found in group 8

the second pair: li (lithium) and k (potassium), found in group 1

the third pair: s (sulfur) and te (tellurium), found in group 6