Chapter 17 Flashcards

0
Q

Curie

A

Renamed Uranic rays radioactivity after finding out more substances besides uranium were radioactive

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1
Q

Becquerel

A

Made an experiment regarding. Phosphorescence and X-rays but instead found radioactivity. Uranium was constantly emitting energy

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2
Q

The three types of radioactivity are ____, ______, and ______ decay

A

Alpha
Beta
Gamma decay

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3
Q

a/zX

A means
B means
X means

A
Mass number (protons + neutrons)
Atomic number (number of protons)
Chemical symbol (H for hydrogen)
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4
Q

Alpha radiation occurs

A

When An unstable nucleus emits a small piece of itself consisting of 2 protons and 2 neutrons.

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5
Q

The original atom is the ______ nuclide and the products are the _____ nuclides

A

Parent

Daughter

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6
Q

Alpha particles are equal to neutral _____

A

Helium

4/2He

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7
Q

The ability of of radiation to ionize molecules and atoms is it’s ________ _____

A

Ionizing

Power

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8
Q

Radiations ______ _______ is the ability to move through matter

A

Penetrating power

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9
Q

Due to alpha radiations size, it has high _______ _______ and low _________ ______

A

Ionizing power

Penetrating power

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