Exam 1 Review

Significant Figures

100

How many significant figures are in this number: 

104,010

5

200

How many significant figures in this number:

100.00

5

300

How many significant figures in this number:

0.0205

3

400

How many significant figures in this number:

50

1

500

How many significant figures in this number:

1.034

4

Dimensional analysis

100

Give me the part to whole ratio of this molecule"

C₆H₁₂O₆

6 Oxygen for every one glucose

12 Hydrogen for every one glucose

6 Carbon for every one glucose

200

Calcium carbonate, CaCO₃, is found in limestone. If

a sample of limestone contains 600 atoms of

oxygen, how many atoms of calcium does it have?

200 atoms of calcium

300

Convert 32 mph to m/s

14.30528

correct sigfigs: 14

400

Convert 2500g to kg

2.5 kg

500

Convert 632.8nm to m in correct scientific notation

6.328 x 10^-7

Nomenclature

100

Name this molecule:

N₂O₃

Dinitrogen Monoxide

200

What is the name of this molecule:

CrO₃

Chromium (VI) Oxide

300

Give me the formula for Magnesium Nitrate

Mg₃N₂

400

Give me the formula for Lead (IV) Oxide

PbO₂

500

Give me the formula for Titanium (II) Oxide

TiO

Metric Prefixes

100

What is the prefix for mili

10^-3

200

What is the prefix for kg

10³

300

What is the prefix for centi

10^-2

400

What is the prefix for micro

10^-6

500

What is the prefix for mega

10⁶

Surprise

100

What is a cation

An element with a positive charge

200

What are all of the diatomic elements?

Br I N Cl H O F

300

What is the base unit for mass

grams

400

Write this number in scientific notation:

26,000,000

2.6 x 10⁷

500

What are the first 4 alkane prefixes

Meth

eth

but

prop