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Chemistry
Radioactive Decay
7 Questions
|
By Dbynagle | Updated: Mar 18, 2022
| Attempts: 3249
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1.
What is all matter made up of?
Dust
Sun rays
Atoms
Metal
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About This Quiz
Isotopes and radioactive decay
2.
What's your name?
We’ll put your name on your report, certificate, and leaderboard.
2.
This is the amount of time it takes for half of a radioactive material to decay.
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3.
What is emitted during alpha decay?
An electron from the electron cloud
Two protons and two neutrons from the nucleus
An electron from the nucleus
Two protons and two neutrons from the electron cloud
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4.
An isotope has the same number of _________, but different numbers of _____________.
Electrons, protons
Protons, electrons
Protons, neutrons
Neutrons, protons
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5.
A radioactive isotope has a half-life of 2 years. How much of a 400g sample remains after 4 years?
400g
300g
200g
100g
0g
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6.
What is emitted during beta decay?
An electron from the electron cloud
Two protons and two neutrons from the nucleus
An electron from the nucleus
Two protons and two neutrons from the electron cloud
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7.
In beta decay a ________ splits to make a ________ and a _________ which is emitted from the nucleus.
Proton, neutron, electron
Electron, proton, neutron
Neutron, proton, electron
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What is all matter made up of?
This is the amount of time it takes for half of a radioactive material...
What is emitted during alpha decay?
An isotope has the same number of _________, but different numbers of...
A radioactive isotope has a half-life of 2 years. How much of a...
What is emitted during beta decay?
In beta decay a ________ splits to make a ________ and a _________...
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X
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