Use the conversion factor 10 mm = 1 cm to convert 4.00 x 10 3 mm to cm.

4.00 x 10 3 mm x $$\frac{1 \text{ cm}}{10 \text{ mm}}$$ = 4.00 x 10 2 cm

4.00 x 10 3 mm x $$\frac{1 \text{ cm}}{10 \text{ mm}}$$ = 2.65 cm

4.00 x 10 3 mm x $$\frac{10 \text{ mm}}{1 \text{ cm}}$$ = 4.00 x 10 4 cm

Choose the correct statement.

Crushing a rock is an irreversible physical change.

Boiling water is a chemical change.

Why is rusting a chemical change?

It doesn't change the composition of the substance.

Which statement is true ?

Electrons are negatively charged particles.

Neutrons are negatively charged particles.

Protons are negatively charged particles.

Electrons are in the nucleus of atoms.

What happens when an electron gains energy?

Jumps aways from the nucleus to an outer shell, becoming excited

Falls from an outer shell towards the nucleus, becoming grounded

What happens when an electron loses energy?

Falls from an outer shell towards the nucleus, becoming grounded

Jumps aways from the nucleus to an outer shell, becoming excited

When is light emitted (given off)?

When electrons fall from an excited state back to their ground state

When electrons jump from ground to excited state

What does the cloud represent in the electron cloud model of atoms?

The probability of the electron location.

The average distance between the electron and the nucleus.

The minimum distance between the electron and the nucleus.

Chemistry Midterm Review Questions

Quiz

•

Science

•

11th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS1-1, MS-PS1-5, HS-PS1-2

+6

Standards-aligned

Nicole Martino

Used 13+ times

FREE Resource

68 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Use the conversion factor 10 mm = 1 cm to convert 4.00 x 10³ mm to cm.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Use the conversion factor 1 kL = 1,000 L to convert 0.5 kL to L.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Use the % error formula on the back of the periodic table. The mass of a sample is 50 g. A balance measures the mass of this sample as 40 g. What is the percent error of the balance?

2%

20%

-20%

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2 Be(OH)₂
What's the coefficient?

1

2

0

Tags

NGSS.MS-PS1-5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2 Be(OH)₂
How many Be atoms are present?

1

2

0

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2 Be(OH)₂
How many oxygen atoms are present?

1

2

3

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2 Be(OH)₂
How many hydrogen atoms are present?

2

4

6

Tags

NGSS.MS-PS1-1

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Chemistry Midterm Review Questions

68 questions

Use the conversion factor 10 mm = 1 cm to convert 4.00 x 10³ mm to cm.

Use the conversion factor 1 kL = 1,000 L to convert 0.5 kL to L.

Use the % error formula on the back of the periodic table. The mass of a sample is 50 g. A balance measures the mass of this sample as 40 g. What is the percent error of the balance?

2 Be(OH)₂
What's the coefficient?

2 Be(OH)₂
How many Be atoms are present?

2 Be(OH)₂
How many oxygen atoms are present?

2 Be(OH)₂
How many hydrogen atoms are present?

3 Fe(NO₃)₃
How many oxygen atoms are present?

When a substance melts, its shape changes but what it's composed of does not change. How do chemists describe this change?

Choose the correct statement.

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Chemistry Midterm Review Questions

68 questions

Use the conversion factor 10 mm = 1 cm to convert 4.00 x 103 mm to cm.

Use the conversion factor 1 kL = 1,000 L to convert 0.5 kL to L.

Use the % error formula on the back of the periodic table. The mass of a sample is 50 g. A balance measures the mass of this sample as 40 g. What is the percent error of the balance?

2 Be(OH)2What's the coefficient?

2 Be(OH)2How many Be atoms are present?

2 Be(OH)2How many oxygen atoms are present?

2 Be(OH)2How many hydrogen atoms are present?

3 Fe(NO3)3How many oxygen atoms are present?

When a substance melts, its shape changes but what it's composed of does not change. How do chemists describe this change?

Choose the correct statement.

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Use the conversion factor 10 mm = 1 cm to convert 4.00 x 10³ mm to cm.

2 Be(OH)₂
What's the coefficient?

2 Be(OH)₂
How many Be atoms are present?

2 Be(OH)₂
How many oxygen atoms are present?

2 Be(OH)₂
How many hydrogen atoms are present?

3 Fe(NO₃)₃
How many oxygen atoms are present?