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review for Chem I unit 2

Authored by Kristin Flint

Chemistry

10th - 11th Grade

Used 2+ times

review for Chem I unit 2
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35 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many protons are in an atom with an atomic number of 20, an atomic mass of 45, and a charge of +2?

20
10
2
18

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many neutrons are in an atom with an atomic number of 20, an atomic mass of 45, and a charge of +2?

20
25
2
18

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many electrons are in an atom that has an atomic number of 34, an atomic mass of 74 and a charge of -2?

34
36
2
40

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What particle provided the positive charge for an atom?

proton 
neutron
electron
nucleus

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which particle only contributes to the mass of an atom?

Proton
Neutron
Electron
Nucleus

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which particle does not contribute mass to the atom?

Proton
Neutron
Electron
Nucleus

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which particle contributes the negative charge to the atom?

proton
electron
neutron
nucleus

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