can you guys please help me answer this, I have an assignment and I have to submit it in 5 minutes, please help

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 )

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025