Science Flashcards

1
Q

What does the p stand for in penam

A

Protons-a positive charge found in nucleus

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2
Q

What does the e stand for in penam

A

electron- negative charhe found in shell orbit

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3
Q

What does the n stand for in penam

A

Nuetrons- No charge they add mass to the atom

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4
Q

What does the a stand for in penam

A

Atomic number- protons number

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5
Q

What does the m stand for in penam

A

mass number

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6
Q

P+e=m P=a A=P

A

no P+N-m# P=e A=p

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7
Q

Daltons

A

Solid Sphere

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7
Q

Thompson

A

Electron- plum pudding

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8
Q

Rutherford

A

Proton and nuclues

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9
Q

Also rutherford

A

Wanted to prove Thompson to be right
Used alpha particles like helium
Nuclues 2 protons 2 nutrons

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10
Q

Bohr

A

Nuclues and electron- shells.

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11
Q

chadwick

A

nuetrons, twice mass of protons

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12
Q

Ruther Ford taught dalton T or F

A

F Rutherford was taught by dalton

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13
Q

Electrons and protons have to be the same number of them

A

T

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14
Q

Democraitus

A

Cant split atoms and all material bodies are made of atoms`

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15
Q

Alchemy

A

Change one element into another

16
Q

Do things differe because of atoms

A

Yes dingus

17
Q

dalton

A

constant motion, and atom combines in a certain ration.

18
Q

Electron- is how much smaller than atom

A

1/2000

19
Q

`````````

A