

Balancing Nuclear Reactions and Elements
Interactive Video
•
Physics, Chemistry, Science
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary goal when balancing nuclear reactions?
To ensure the sum of mass numbers is greater on the right side
To ensure the sum of atomic numbers is greater on the left side
To ensure the sum of atomic numbers is greater on the right side
To ensure the sum of mass and atomic numbers are equal on both sides
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the first example, what is the unknown element X identified as?
Neutron
Proton
Alpha particle
Electron
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the atomic number of the neutron identified in the first example?
1
0
2
3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the second example, what is the unknown element Y identified as?
Hydrogen
Helium
Boron
Lithium
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the atomic number of hydrogen identified in the second example?
4
3
2
1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the third example, what is the unknown element W identified as?
Oxygen
Helium
Nitrogen
Carbon
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mass number of helium identified in the third example?
4
3
2
5
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