Percent Composition
Sig Figs
Chemical Nomenclature
Types of Mixtures
Types of Reactions
100

How many things are in 1 mole?

6.02 x 1023 things

100

How many sig figs are present in the following number?

1.020

4 significant figures

100

Write the chemical formula of the following molecule.

Cesium fluoride

CsF

100

Salad is which type of mixture?

Heterogeneous 

100

Predict the products of the reaction: You don't have to balance the equation.

H2O + Li2O =

LiOH

200

What is the molar mass of NaCl?

58.5 g/mol

200

How many sig figs are present in the following number?

0.020460010

8 significant figures
200

Write the common name of the following chemical formula.

LiNO3

Lithium nitrate

200

Milk is what type of mixture?

Colloid 

200

Predict the products of the reaction: You don't have to balance the equation.

Mg(ClO3)2 =

MgCl2 + O2

300

What is the molar mass of Li2O?

30 g/mol

300

Perform the following calculation and round answer to appropriate significant figures.

0.340 + 1.204 - 0.76 = 

= 0.784

Rounded to 0.78

300

Write the chemical formula of the following molecule.

Hexaboron trinitride 

B6N3

300

Gasoline is what type of mixture?

Solution

300

Predict the products of the reaction: You don't have to balance the equation.

Na + H2O =

Na2O + H2

400

How many moles are in 17.2 grams of potassium fluoride?

0.30 moles KF

400

Perform the following calculation and round answer to correct number of significant figures.

23.56 / (19.01 x 4.00)

= 0.3098369279

Rounded to 0.310

400

Write the chemical formula for the following molecule. 

Copper (II) percarbonate 

CuCO4

400

Unrelated question!

Which US state coined the term "cheeseburger"?

Colorado

While there's much contention around where the cheeseburger was really invented, it was in Colorado that the term was coined. Trademarked by Louis Ballast of Denver's Humpty Dumpty Drive-In in Denver in 1935, there's even a roadside monument, opened in 1987, that's dedicated to the significant event in fast food history.

400

Predict the products of the reaction: You don't have to balance the equation.

NaCl + KI =

No Reaction

500

How many grams are present in 1.2 x 1024 molecules of HCl?

73 grams HCl

500

Perform the following calculations and round answers to correct number of significant figures.

(12.010 x 120) / (0.40 x 13.4) =

268.880597

Rounded to 270

500

Give the common name of the following chemical formula.

Zinc (IV) hypophosphite

Zn3(PO2)4

500

Unrelated question!

Which country produces the most movies every year?

India!

1,900 last year alone!

500

Predict the products of the reaction: You don't have to balance the equation.

NH4OH + H2SO4

H2O + (NH4)2SO4