Chemical qunatities the mole

Look at this image and choose.

• 2 NaCl is the reactant

• 2 NaCl is a product

Why is it important to insert these numbers into an equation?

What is Formula Weight?

• Sum of the isotropic masses for the atoms in a chemical formula

• Sum of the atomic numbers for the atoms. In a chemical formula

• Sum of the atomic mass for the atoms in a chemical formula

• Sum of the valence electrons for the atoms in a chemical formula

What is the value for 1 mole

• 1 amu

• 1/12 amu

What would be the best way to measure out the quantity of sugar in a jar?

• By mass

• By the count

• By volume

• By the weight formula

What is the best sequence to follow for conversions

• Dozens of apples,

  number of apples mass of apples

• Mass of apples, dozens of apples,

  number of apples.

• Number of apples, dozens of apples, mass of apples

Matter is composed of ....

Representative particles is refers to....

Draw 4 diatomic molecules

Cu can be classified as ...

• Formula unit

• Atom

• Molecule

• An ion