J.J. Thomson provided evidence that an atom...

contains negatively charged particles

is the smallest particle of matter

The majority of an atom's mass exists where?

In the space between the nucleus and the electrons

The atomic number for oxygen is 8, so

there are 8 protons in the atom

Which of the following is a physical property of hydrochloric acid?

It is a good conductor of electricity.

It fizzes when it is dropped on limestone.

It turns potassium yellow and chromate orange.

It causes corrosion of magnesium metal.

In which of the following scenarios is a physical change taking place?

Liquid water turns to a vapor at 100°C.

Gas is produced when sodium mixes with water.

A cracker is being digested in the stomach.

Which of the following is true regarding a physical change to a substance?

It will not alter the composition of the substance.

The internal structure is rearranged and altered.

It results in the formation of a new substance.

Chemical bonds are broken and reformed.

In which of the following scenarios is a chemical change taking place?

Gas is produced when sodium mixes with water.

Sugar dissolves when poured into tea.

Liquid water turns to a vapor at 100°C.

Quartz crystal fractures when struck.

What electron configuration matches an oxygen atom?

1s 2 2s 2 2p 6 3s2, 3p 6 4s 2 3d 10 4p 5

1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 1

What's a valence electron?

electrons in the outermost energy level

electrons in the second energy level

Chemistry Semester 1 Practice Exam

Quiz

•

Chemistry

•

10th - 12th Grade

•

Practice Problem

•

Medium

•

NGSS

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

+8

Standards-aligned

Fred Myers

Used 753+ times

FREE Resource

150 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A compound is made of

at least two different elements.

one element

two of the same element.

at least two different compounds.

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This particle is found in the nucleus and has no charge.

Neutron

Proton

Electron

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This particle is found in the nucleus and has a positive charge.

Electron

Proton

Neutron

Tags

NGSS.HS-PS1-8

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This is a negatively charged particle found outside the nucleus.

Electron

Proton

Neutron

Tags

NGSS.MS-PS2-3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The first person to ever talk about an atom was?

Democritus

Rutherford

Dalton

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

All matter is made of what?

energy

atoms

electrons

compounds

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How did Rutherford discover the nucleus?

Cathode tube ray experiment

Gold Foil Experiment

Planetary Model

Plum Pudding Model

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Chemistry Semester 1 Practice Exam

150 questions

A compound is made of

This particle is found in the nucleus and has no charge.

This particle is found in the nucleus and has a positive charge.

This is a negatively charged particle found outside the nucleus.

The first person to ever talk about an atom was?

All matter is made of what?

How did Rutherford discover the nucleus?

Who stated that all atoms of the same element are excacty alike?

What scientist is best known for his "Plum Pudding" model of the atom?

J.J. Thomson provided evidence that an atom...

Create a free account and access millions of resources

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