
Understanding Gold Prospecting and Relative Atomic Mass

Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard
Jennifer Brown
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During the Great Gold Rush, how did prospectors typically find gold?
By digging in the desert
By panning in the ocean
By filtering river streams
By mining deep underground
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relative atomic mass of an element compared to?
The mass of a hydrogen atom
The mass of a helium atom
1/12 of the mass of a carbon-12 atom
The mass of an oxygen atom
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is carbon-12 used as a reference for relative atomic mass?
It is the lightest element
It is abundant and stable
It is radioactively unstable
It is the heaviest element
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the relative atomic mass of an element with isotopes determined?
By using the mass of the least abundant isotope
By calculating based on the abundance of each isotope
By using the mass of the most abundant isotope
By averaging the masses of all isotopes
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two stable isotopes of copper mentioned in the video?
Cu-64 and Cu-66
Cu-61 and Cu-67
Cu-63 and Cu-65
Cu-60 and Cu-62
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