Getting Ready for AP Chem.

How many moles of H are in C3H8?

• 1

• 3

• 8

• 11

A compound is made up of multiple

• Elements

• Mixtures

• Isotopes

• Ions

How many particles are in 1 mole of KCl?

• 1

• 2

• 6.022 x 10^23

• 3.00 x 10^8

Where are electrons located in the atom?

• Within the nucleus

• In the cloud around the nucleus

• Atoms do not have electrons

• I don't know

The horizontal organization of elements on the period table is called_______.

• Rows

• Groups

• Columns

• Periods

How many moles are in 36 grams of O2?

• 1

• 2

• 3

• 4

Which of the following are types of mixtures

• Solution

• Suspension

• Compound

• Isotope

• Colloid

How many grams are there in 2.5 moles of N2O?

• 44

• 100

• 110

• 250

Which of the following are compounds?

• H2

• FeO

• He

• Ag

• Xe

Elements within the same group have similar properties

• True

• False