Search Header Logo

Chemistry Final Review 2

Authored by Susan Campeau

Chemistry

9th - 12th Grade

Used 1+ times

Chemistry Final Review 2
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1) Which isotope has the greatest number of protons?

Pa-238

U-240

Np-238

Pu-239

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

4) The equation below represents the radioactive decay of a gold isotope.

174 79 Au →17077 Ir + ?

Which choice correctly completes this equation?

alpha particle

beta particle

photon

neutron

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

6) How many electrons are in the outermost energy level of a neutral carbon atom?

2

4

6

8

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

29) What can the student conclude about the experiment?

A chemical reaction occurred because new atoms were created.

A chemical reaction occurred because a new substance was formed.

The popping sound provided evidence that the acid changed physical states.

The popping sound provided evidence that the magnesium atoms were

destroyed.

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

30) How many O2 particles are in 2.50 moles of O2 at Standard Temperature and Pressure (STP)?

4.15 × 1022 particles

2.41 × 1023 particles

5.02 × 1023 particles

1.51 × 1024 particles

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

31) Why does an increase in temperature usually increase the rate of a chemical reaction?

because the activation energy of the reaction increases

because the surface area of reacting particles increases

because the proper orientation of reacting particles improves

because the number of effective collisions between reacting particles increases

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

33) Which temperature has the greatest concentration of product Z?

200 K

300 K

400 K

500 K

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?