I need help with this please.

What is the formula for calcium iodide

When determining the shape of a molecule, it is important to draw a lewis dot structure first in order to see the total number a. electrons within the moleculeb. bonding and unshared pairs around central atomc. unshared pair within the molecule( i really need it )

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles