If a molecule has gained an electron through a chemical reaction, it has been , and if it has lost an electron, it has been

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

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 )

How many moles of bromine are needed to produce 3.23 moles of potassium bromide