When there is just one atom of an element in a molecule, how is this atom represented in a chemical formula?

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 )

When the water vapor cools it condenses select a number that represents his process on the

Identify and describe the three ways that mutations affect organisms.