Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Chem Midterm Review

Total questions: 20

Worksheet time: 19mins

Name
Class
Date
1.

What type of reaction is Pb(NO3)2 + 2KI → 2KNO3 + PbI2

a)

Single replacement

b)

Combustion

c)

Synthesis

d)

Double Replacement

2.

The coefficients to balance this equation are: __C2H5OH + __O2 → __CO2+ __H2O

a)

1,3,2,2

b)

2,3,2,1

c)

1,3,2,3

d)

1,3,1,3

3.

The products of a combustion reaction will always include:

a)

nitrogen dioxide and oxygen

b)

carbon dioxide and water

c)

hydrocarbon and water

d)

carbon dioxide and oxygen

4.

This type of matter has constant volume, flows to conform to the shape of it's conatiner, cannot be compressed

a)

Solid

b)

Gas

c)

Liquid

d)

Bose-Einstein condensate

5.

Is 1s22s22p63s23p64s23d104p5 the full electron configuration for Bromine?

a)

True

b)

False

6.

What is the correct number of sig fig's for 104,208.30

a)

5

b)

6

c)

7

d)

8

7.

Electroneagtivity is the minimum amount of energy required to remove a valence eletron to form a cation.

a)

True

b)

False

8.
a)

26.790

b)

25.406

c)

24.309

d)

24.605

9.

What are the correct coefficients for:

___Na + ___H2O → ____NaOH + ___H2

a)

1,2,1,2

b)

1,2,2,1

c)

1,1,2,1

d)

2,1,2,1

10.

An example of a Colloid is...

a)

Oil

b)

Water

c)

Milk

11.

The higher the temperature is, the chance of more collisions with enough energy to react becomes due to higher kinetic energy.

a)

False

b)

True

12.

A cataylst is a substance that ________ the rate if a chemical reaction.

a)

Decreases

b)

Increases

13.

The correct number of orbitals for p are ____.

a)

1

b)

3

c)

5

d)

7

14.

Experiments with Cathode Rays. Lead to the discovery of the negatively charged electron. States that there must be subatomic particles found inside all atoms. Model consists of a positive cloud material with electrons randomly distributed throughout.... This describes which model of Atomic theory:

a)

Nuclear Model

b)

Planetary/Bohr Model

c)

Plum Pudding Model

d)

Solid Sphere Model

15.

For which element is this the electron configuration:

1s2 2s2 2p6 3s2 3p6 4s2 3d6

a)

Cl

b)

Mn

c)

Fe

d)

Ar

16.

How many atoms of Oxygen are represented in Al2(SO4)3

a)

3

b)

7

c)

4

d)

12

17.

Oxygen is a Halogen.

a)

True

b)

False

18.

The strongest of the dipole-dipole attractions is the London Dispersion attraction.

a)

True

b)

False

19.

What is the element with Atomic number 30, Mass number 65, # of protons 30, # of neutrons 35, # of electrons 30; and is it an isotope?

a)

Cu: yes

b)

Cu: no

c)

Zn; no

d)

Zn; yes

20.

Which particle does not affect the mass of an atom?

a)

Proton

b)

Neutron

c)

Electron

d)

Nucleus