What is the significance of the average atomic mass in finding the mass of an oxygen atom?

Atomic Mass and Isotopes of Oxygen

Interactive Video
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Chemistry
•
9th - 10th Grade
•
Hard

Jackson Turner
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It provides the atomic number.
It is used to calculate the molar mass.
It indicates the number of neutrons.
It helps in determining the number of protons.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the mass of one atom of oxygen?
Subtract Avogadro's number from the atomic mass.
Add the atomic mass to Avogadro's number.
Divide the atomic mass by Avogadro's number.
Multiply the atomic mass by Avogadro's number.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit of the average atomic mass of oxygen?
Atoms per mole
Grams per atom
Kilograms per mole
Grams per mole
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do the units of moles cancel out during the conversion process?
Because they are not needed in the calculation.
Because they are multiplied by zero.
Because they are added to the grams.
Because they are on both the numerator and denominator.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mass of one oxygen atom in grams?
4.66 x 10^-23 grams
3.66 x 10^-23 grams
1.66 x 10^-23 grams
2.66 x 10^-23 grams
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the mass of an oxygen atom be expressed in kilograms?
By subtracting 1000
By adding 1000
By dividing by 1000
By multiplying by 1000
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What changes when calculating the mass of an oxygen-18 isotope?
The number of protons is used.
The atomic number is used instead of the atomic mass.
Avogadro's number is changed.
The atomic mass is replaced with 18.
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the atomic mass used for oxygen-18 in calculations?
18.00
14.00
20.00
16.00
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who is the presenter of the video tutorial?
Dr. C
Dr. B
Dr. A
Dr. D
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