Radioactive Isotopes

Quiz
•
Science
•
9th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does the Z represent in this depiction of an isotope notation?
the mass number of the isotope
the symbol of the element
the atomic number of the isotope
the number of protons and neutrons in the isotope
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which nuclear decay emission consists of energy only?
alpha decay
beta decay
gamma ray (radiation)
positron emission
Tags
NGSS.HS-PS1-8
NGSS.HS-PS4-3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of radioactive decay is depicted in this diagram?
neutron emission
gamma decay
beta decay
alpha decay
Tags
NGSS.HS-PS1-8
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following correctly describes a beta particle?
the same atomic number and mass number as a helium nucleus
formed from a neutron that breaks into a proton and an electron
is the equivalent of one proton
can be stopped by a piece of paper
Tags
NGSS.HS-PS1-8
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is NOT a characteristic of an beta particle?
the ejected particles can pass through paper, but not aluminum or wood
a neutron breaks apart into a proton and an electron
When emitted, changes the atomic number of the daughter isotope by 2
When emitted, does not change the mass number of the daughter isotope
Tags
NGSS.HS-PS1-8
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which list of nuclear emissions is arranged in order from the least penetrating power to the greatest penetrating power?
alpha particle, beta particle, gamma ray
alpha particle, gamma ray, beta particle
gamma ray, beta particle, alpha particle
beta particle, alpha particle, gamma ray.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The % of the parent isotope remaining after 3 Half Lives.
50%
25%
12.5%
6.25%
Tags
NGSS.HS-PS1-8
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