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Chapter 3 Chem

Authored by Garrett Smith

Chemistry, Science

9th - 12th Grade

Used 2+ times

Chapter 3 Chem
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50 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the atomic number?

the number of protons in the nucleus

the number of protons and neutrons in the nucleus

the number of neutrons in the nucleus

the number of protons in the energy levels

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the mass number?

the number of protons in the nucleus

the number of protons and neutrons in the nucleus

the number of neutrons in the nucleus

the number of protons and electrons in the atom

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Most of the mass in an atom is made up of _____________________?

protons and electrons
protons and neutrons
neutrons and electrons
electrons and quarks

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In order for an atom to be neutral what has to be true?

The atom has more protons than neutrons
The atom has more neutrons than protons
The atom has the same number of protons and neutrons
The atom has the same number of protons and electrons

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What does the C represent?

atomic mass
atomic number
element name
chemical symbol 

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What does the 6 represent?

Atomic mass

atomic number

chemical symbol

element name

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the number of neutrons in the nucleus of an atom calculated?

Add the number of e- and p+ together
Subtract the number of e- from p+
Subtract the number of p+ from the mass number
Add the mass number to the number of e-

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