Chem 1, Unit 3 Quiz

Chem 1, Unit 3 Quiz

University

75 Qs

quiz-placeholder

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Chem 1, Unit 3 Quiz

Chem 1, Unit 3 Quiz

Assessment

Quiz

Chemistry

University

Hard

Created by

Clinton Bonelli

FREE Resource

75 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the atomic number of an element represent?

The number of neutrons in the atom

The number of protons in the atom

The total number of protons and neutrons in the atom

The number of electrons in the outer shell

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the atomic theory, why is an atom neutral?

Because it contains an equal number of protons and neutrons

Because neutrons balance the charges

Because it contains an equal number of protons and electrons

Because electrons do not carry charge

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For a neutral atom, the number of protons is equal to the number of:

Neutrons

Electrons

Isotopes

Ion particles

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the atomic number of an element represent?

The number of neutrons in the nucleus

The number of protons in the nucleus

The total number of protons and neutrons

The number of electrons around the nucleus

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the atomic mass of an atom primarily calculated?

By adding the number of electrons and protons

By counting the number of neutrons only

By summing the number of protons and neutrons

By using the atomic number alone

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the atomic mass being different from the atomic number?

It indicates the number of electrons in an atom

It shows the atom is neutral

It reflects the total weight of protons and neutrons, which are the main contributors to the mass of an atom

It determines the chemical properties of the element

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the atomic number of Carbon as shown in the diagram?

12

6

12.01

C

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