Atomic Theory

Atomic Theory

9th - 12th Grade

15 Qs

quiz-placeholder

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Atomic Theory

Atomic Theory

Assessment

Quiz

Chemistry

9th - 12th Grade

Hard

Created by

Jennifer Nemec

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which is not true for isotopes?

they are atoms with the same number of protons

they are atoms with the same number of neutrons

they are atoms of the same element type

they are atoms with differing masses

2.

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

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What is the name of the atom pictured here?

Nitrogen
Nitrogen-15
Nitrogen-7
Nitrogen-8

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following could have 82 neutrons?

W-182
Ta-181
Cs-132
Ba-138

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following could have 82 neutrons?

W-182
Ta-181
Cs-132
Ba-138

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How many protons does Lithium have?

3
4
6
7

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How many neutrons does an atom of Boron have?

5
6
10
11

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