Atoms are made up of what 3 parts?

protons, neutrons, and electrons

positive, negative, and neutral

Conservation of mass means

atoms present before chemical reactions are present after

all the atoms present before a chemical reaction are not present after

new substances and new elements are formed in a chemical reaction

Atomic Mass is the number of

protons and neutrons in the nucleus of an atom

protons and electrons in the nucleus of an atom

neutrons and electrons in the nucleus of an atom

a substance that cannot be split into simpler substances

a substance that can be split into simpler substances

A pure substance that is a compound is made out of

particles of more than one type of atom

particles of the same type of atom

a mixture of two or more substances that can be physically separated

Signs of a chemical change include;

change of colour, change of temperature, precipitate (solid) formed, gas released.

change of colour, reversing back to original form, precipitate (solid) formed, gas released.

What is Avogadro's number?

6.02 × 1 0 23 6.02\times10^{23} 6 . 0 2 × 1 0 2 3

2.3 × 1 0 6.02 2.3\times10^{6.02} 2 . 3 × 1 0 6 . 0 2

2.06 × 1 0 23 2.06\times10^{23} 2 . 0 6 × 1 0 2 3

If I gain electrons I become

negative because I've added electrons

Positive because I've added to my atom

equal because now I have electrons

Calcium (Ca) is in group 2 on the Periodic Table. What does this tell you about this element?

It has 2 protons in its nucleus.

It has 2 energy levels/shells in its electron cloud.

Silicon (Si) is in period 3 on the Periodic Table. What does this tell you about this element?

It has 3 energy levels/shells in its electron cloud.

It is highly reactive with water.

It has 3 protons in its nucleus.

Chemistry 12th Diagnostic Test

Authored by Egbert Fiallos

Chemistry

12th Grade

NGSS covered

Used 11+ times

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

Content View

Student View

90 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Billiard Ball is the nickname for ________ theory.

Dalton

Neils Bohr

JJ Thomson

Ernest Rutherford

Electron cloud is based on

Quantum Mechanics

Gold Foil Experiment

Matter is made up of small particles called atoms

Nuclear Theory

He developed the planetary model of the atom.

Rutherford

Bohr

Chadwick

Dalton

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

James Chadwick discovered the ________.

proton

neutron

electron

nucleus

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What did Thomson discover?

electron

proton

neutron

electron cloud

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does this image represent

Billiard Ball

Solar System

Plum Pudding

Electron Cloud

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Gold Foil experiment was done by __________.

Chadwick

Bohr

Rutherford

Thomson

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Continue with Google

Continue with Email

Continue with Microsoft

or continue with

Facebook

Apple

Others

Already have an account?

Similar Resources on Wayground

85 questions

ACS Chemistry Exam

Quiz

•

10th - 12th Grade

89 questions

AP Chemistry

Quiz

•

10th - 12th Grade

85 questions

Chemistry Questions

Quiz

•

10th - 12th Grade

95 questions

Chemistry Honor

Quiz

•

9th - 12th Grade

89 questions

AP Chemistry MC

Quiz

•

10th - 12th Grade

88 questions

Chemistry Cfe

Quiz

•

12th Grade

95 questions

Honors Chem

Quiz

•

9th - 12th Grade

85 questions

Chemistry Final

Quiz

•

10th - 12th Grade

Popular Resources on Wayground

5 questions

A Home on the Shore

Quiz

•

3rd Grade

28 questions

US History Regents Review

Quiz

•

11th Grade

6 questions

A Horse Tale

Quiz

•

3rd Grade

20 questions

Math Review

Quiz

•

3rd Grade

10 questions

Juneteenth History and Significance

Interactive video

•

5th - 8th Grade

20 questions

Dividing Fractions

Quiz

•

5th Grade

55 questions

A Long Walk to Water Final Review

Quiz

•

6th - 8th Grade

10 questions

Equation Word Problems

Quiz

•

7th Grade

Discover more resources for Chemistry

20 questions

Insurance

Quiz

•

9th - 12th Grade

10 questions

Juneteenth: History and Significance

Interactive video

•

7th - 12th Grade

6 questions

Mayan Mathematics part 1

Presentation

•

9th - 12th Grade

40 questions

Flags of the World

Quiz

•

KG - Professional Dev...

10 questions

Unit 9 Quiz

Quiz

•

9th - 12th Grade

Chemistry 12th Diagnostic Test

The Billiard Ball is the nickname for ________ theory.

Electron cloud is based on

He developed the planetary model of the atom.

James Chadwick discovered the ________.

What did Thomson discover?

What does this image represent

The Gold Foil experiment was done by __________.

The word atom comes from a Greek word "atomos" that means

This particle is found in the nucleus and has no charge

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

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Chemistry