Katz Per.3 Module 9

Measuring Matter

100

The name of the number that counts out a mole.

What is Avogadro's number?

200

The measurement unit, in weight, of one single atom.

What is AMU?

300

While a dozen can count out macroscopic things, the mole is only useful to count out ____ things

What is Microscopic?

400

The element that, when counted out one mole, has a weight of 12 grams.

What is Carbon?

500

The element that weighs 32 grams when there are 2 moles of it

What is Oxygen?

Empirical and Molecular Formulas

100

Percent by mass of each element in a compound.

What is percent composition?

200

Formula that says the actual number of atoms of each element in a molecule.

What is Molecular Formula?

300

Ratio between elements in hydrogen peroxide (H₂O₂).

What is a 1:1 ratio?

400

Formula with the smallest whole number mole ratio of elements in a compound.

What is Empirical Formula?

500

In Fructose (C₆H₁₂O₆), the percent composition of hydrogen

What is 50%?