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Chemistry Unit 2 Review

Authored by Kelly Manhart

Chemistry

9th - 11th Grade

Used 1+ times

Chemistry Unit 2 Review
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30 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

24.1% of all the isotopes of a an element have a mass of 75.23 amu, 48.7% have a mass of 74.61 amu, and 27.2% have a mass of 75.20 amu.
What is the average mass of this element?

74.92 amu
24.97 amu
75.01 amu
74.51 amu

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

An element with 4.35% have a mass of 49.9461 amu, 83.79% have amass of 51.9405 amu, 9.50% have a mass of 52.9407 amu, and 2.36% have a mass of 53.9389amu.

51.99 amu
52.19 amu
53.45 amu
17.33 amu

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The horizontal row on the periodic table is called a

group
family
period
atomic number

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A vertical column is called...

group
tower
period
crew

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Most of the elements on the periodic table are classified as _____.

Metals
Nonmetals
Metalloids
Periods

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which group of the periodic table are the noble gases?

1A

2A

3A

4A

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The atoms along the staircase are called 

metals
nonmetals
metalloids
noble gases

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