What does the term 'isotope' refer to?

Isotopes and Average Atomic Mass Insights

Interactive Video
•
Chemistry
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6th - 10th Grade
•
Easy

Mia Campbell
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elements with the same number of neutrons but different protons
Elements with the same atomic number but different mass numbers
Elements with different numbers of protons and neutrons
Elements with the same mass number but different atomic numbers
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about hydrogen isotopes?
They have different mass numbers
They have the same number of neutrons
They have different atomic numbers
They have different numbers of protons
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many neutrons are present in carbon-14?
12
6
8
14
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mass number of an isotope with 8 protons and 9 neutrons?
15
17
9
8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why isn't the atomic mass on the periodic table a whole number?
It is the mass of the heaviest isotope
It is the mass of the most abundant isotope
It is an average of the masses of all isotopes of that element
It is the sum of the protons and neutrons
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the average atomic mass of an element?
By calculating a weighted average of the masses of all isotopes
By taking the mass of the most abundant isotope
By dividing the total mass by the number of isotopes
By adding the masses of all isotopes
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the average atomic mass of boron if 19.78% of its isotopes have a mass of 10.013 amu and 80.22% have a mass of 11.009 amu?
10.013 amu
11.009 amu
10.82 amu
10.50 amu
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