Isotopes and Half Life Review
Authored by Danielle Rodriguez
Science
9th - 12th Grade
NGSS covered
Used 13+ times
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10 questions
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1.
FILL IN THE BLANKS QUESTION
15 mins • 1 pt
A radionuclide has a half life of 10 minutes. If the amount of radionuclide is initially 100 g, how many grams would remain after 30 minutes?
(a)
Tags
NGSS.HS-PS1-8
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
If we wanted to find the age of an animal known to exist billions of years ago, would we want to use a radionuclide with a half life of 10 minutes?
Yes, the half life is perfect!
No, the half life is too long!
No, the half life is too short!
Tags
NGSS.HS-PS1-8
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Calcium, which is atomic number 20, has (a) electrons.
Tags
NGSS.HS-PS1-1
4.
FILL IN THE BLANKS QUESTION
15 mins • 1 pt
Isotopes differ from one another based on their amount of (a) .
Tags
NGSS.HS-PS1-8
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
If Bromine has 35 protons and a mass of 80, how many neutrons does it have?
35
115
45
Tags
NGSS.MS-PS1-1
6.
FILL IN THE BLANKS QUESTION
15 mins • 1 pt
An atom has 25 protons and 30 neutrons in its nucleus. What is the mass of the atom?
(a)
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
How many neutrons does Na - 21 have?
21
12
11
10
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