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using protons to identify atoms

Authored by JACQUELINE ALLEN

Science

6th - 8th Grade

Used 3+ times

using protons to identify atoms
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37 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The total number of protons and neutrons in an atom is called the...

proton number
atomic number
mass number
weight number

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does the atomic number of an element represent?

number of protons in an atom
number of neutrons in an atom
mass of an atom
charge of an atom

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

How many protons does an Aluminum atom have? (use the picture to help you)

27
13
14
40

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What determines the charge of an atom?

the atomic mass of the atom
the number of protons and electrons
the number of neutrons and protons
the number of energy levels in the electron cloud

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The nucleus of an atom contains 12 protons and 13 neutrons. If the atom is electrically neutral, how many electrons does this atom have?

13
12
14
20

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What characteristic of an element's atoms ALWAYS determines the element's identity?

the number of neutrons
the number of protons
the atomic mass
the number of valence electrons

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

How many neutrons does a sodium atom have? 

23
11
12
34

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