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Science > Radioacticity > Flashcards

Radioacticity Flashcards

1
Q

What is emitted when alpha decays?

A

Helium Nuclei

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2
Q

How many p+, n , and e- are emitted when alpha decays?

A

2p+, 2n, and 0e-

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3
Q

How much does the mass change when alpha decays?

A

4amu

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4
Q

What is radioactivity?

A

The emission of high energy waves or particles from an atom

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5
Q

How do atoms with stable nuclei differ from atoms with unstable nuclei?

A

The number of particles in a stable nuclei never change, the particles in a unstable nuclei does

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6
Q

What would two different isotopes of an atom have in common?

A

Number of protons

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7
Q

What is a half-life?

A

The time it takes for half of any number of radioactive atoms to decay

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8
Q

What happens when the number of protons in an atom changes?

A

It becomes a completely different atom

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9
Q

How are gamma rays different from beta particles?

A

Gamma rays are extremely dangerous; beta particles are less so

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10
Q

What is emitted when beta decays?

A

Beta particle

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11
Q

How many p+, n , and e- are emitted when beta decays?

A

1 e-

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12
Q

How much does the mass change when beta decays?

A

No change in mass

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13
Q

What happens to the atomic number when beta decays?

A

It increases by 1, creating a new element

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14
Q

What happens to the atomic number when alpha decays?

A

It decreases by 2, creating a new element

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15
Q

What is emitted when gamma emissions?

A

Energy wave

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16
Q

How much does the mass change when gamma emissions?

A

No change in mass

17
Q

What happens to the atomic number when gamma emissions?

A

No change; element stays the same

18
Q

When is fusion formed?

A

When atoms collide and become a super atom

19
Q

How much energy does fusion produce?

A

The most energy of any nuclear source

20
Q

Can fusion bi-products be contained?

A

No, it’s too hot

21
Q

Where does fusion happen naturally?

A

In stars

22
Q

What weapon is fusion in?

A

The hydrogen bomb

23
Q

When is fission formed?

A

When atoms split

24
Q

What does fission produce?

A

Energy, but also a lot of harmful radioactive bi products

25
Q

Where does fission occur naturally?

A

Occurs naturally rarely, mostly man made

26
Q

What weapon is fission in?

A

The atomic bomb

Science (8 decks)

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