Atomic Theory Flashcards by ri ratatata

Q

Wave length

A

Distance from peak to peak

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Q

Radiation

A

Waves of energy (thing)

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Q

Radioactive

A

Element released from nucleus (action)

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Q

Nuclear Fission

A

Break atom into several parts

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Q

Alpha decay

A

Release 2 Neutron 2 Proton

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Q

Beta decay

A

Release single electron

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Q

Gamma decay

A

Release pure Energy

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Q

Decay

A

Change in atom, unstable to stable atom

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Q

Proton

A

Atomic number

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Q

Neutron

A

Atomic mass - atomic number

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Q

Electron

A

Atomic number

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Q

Charge

A

Proton - electron (the neg pos stuff, + is minus - is plus)

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Q

Mass number

A

Atomic mass (proton + neutron)

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Q

Alpha decay

A

4 / 2 positive charge

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Q

Beta decay

A

0 / -1 negative charge

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Q

Gamma Decay

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A

0 / 0 No charge

Q

Nanometer to meter

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A

1nm = 1 x 10 ^-9 m

Q

Find energy know frequency

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A

E = h • f

Q

Find wavelength know frequency

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A

C = f • 人

Q

Find energy know wavelength

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A

E = hc/ 入

Q

Planck constant

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A

H : 6.63 x 10^-34

Q

Speed of light

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A

C : 3 x 10^8

Q

Wave length

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A

入： in meter

Q

Energy

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A

E : in joules (J)