
Isotope Notes
Presentation
•
Science
•
9th Grade
•
Practice Problem
•
Easy
Standards-aligned
Alexis Hudson
Used 7+ times
FREE Resource
22 Slides • 10 Questions
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Drag and Drop
When changing the number of protons, the
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Hotspot
Which number represents the number of protons, if not there, select the bottom empty spot.
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Hotspot
Which number represents the number of neutrons, if not there, select the bottom empty spot.
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Drag and Drop
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Drag and Drop
A would be
Z would be
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Drag and Drop
E would be
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Drag and Drop
A would be
Z would be
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Multiple Choice
When calculating the average mass of Magnesium which has three isotopes: Mg-24 at 78.44%, Mg-25 at 10.00%, and Mg-26 at 11.01%.
What should the number be closest to?
26 amu
1 amu
2400 amu
24 amu
2600 amu
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Multiple Choice
When calculating the average mass of 8% of Li isotopes hare lithium - 6, while 92% of Li atoms are lithium - 7. What is the average atomic mass,
What should the number be closest to?
7 amu
1 amu
6 amu
700 amu
600 amu
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Fill in the Blanks
Calculate the average mass of Magnesium which has three isotopes: Mg-24 at 78.44%, Mg-25 at 10.00%, and Mg-26 at 11.01%.
Don't forget your unit!
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