Chapter 7 Mole

Question 1

What number is Avogadro’s number?

Answer 1

6.022 x 10 to the 23rd power

Question 2

What do we remember to look for when we’re doing problems with large numbers on the calculator?

Answer 2

Look for the exponent!!

Question 3

When writing a conversion, how do we set up the formula?

Answer 3

Write units first. 

Question 4

What is the abbreviation difference between molecule and mole

Answer 4

Molec molecule
Mol mole

Question 5

What unit is used for average atomic mass?

Answer 5

AMU atomic mass unit

Question 6

Where do we round past the decimal place for all a.m.u?

Answer 6

Two. Places past the decimal.

Question 7

When looking at the aMU of an element what does that number represent

Answer 7

One atom of that element

Question 8

If I measure an element on a scale in grams equal to its AMU number what do I end up with?

Answer 8

One mole of that elements atoms

Question 9

GRAM :
Atomic mass, molecular mass, formula mass 
Replace all with molar mass. It is the mass of one mole of any substance.

Question 10

Grams means GO to the periodic table

Question 11

Always be on the lookout for what to do when making conversions and formulas?

Answer 11

Diatomic MOLECULES

Remember, they will always have two