When scientist need to work on Sharks and some other fish in water they flip them upside down on their backs because

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 )

Explanation for basic character?

How many molecules are in 6.0 moles of methane