Zgradba atoma Flashcards

1
Q

Iz česa je sestavljen atom?

A

iz jedra in elektronske ovojnice

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2
Q

Kaj je jedro

A

del atoma sestavljen iz protonov in nevtronov, kjer je celotna masa atoma

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3
Q

Kako označimo proton?

A

p+

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4
Q

Kako označimo nevtron?

A

n0

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5
Q

Iz česa je elektronska ovojnica?

A

elektronov

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6
Q

Kako označimo elektron?

A

e-

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7
Q

Kaj je proton?

A

pozitivno nabit delec atoma

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8
Q

Kaj je elektron?

A

negativno nabit delec atoma

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9
Q

Kaj je nevtron?

A

delec atoma brez naboja

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10
Q

Kaj nam pove vrstno število?

A

Št. p+ oz. št e-

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11
Q

Kakšen je atom po nabitosti

A

nevtralen, ker je število pozitivno in negativno nabitih delcev enako (vrstno št.)

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12
Q

Kako označimo vrstno št.?

A

Z

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13
Q

Ali vrstno št najdemo v PS?

A

ja

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14
Q

Kaj nam pove masno št.?

A

vsoto p+ in n0 v jedru

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15
Q

KAko označimo masno št.?

A

A

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16
Q

Ali masno št najdemo v PS?

A

ne

17
Q

Kaj je Ar?

A

relativna atomska masa

18
Q

Kaj nam Ar pove?

A

kolikokrat je masa izbranega atoma večja od 1/12 ogljikovega izotopa C12

19
Q

Kako izračunamo Ar v PS?

A

upoštevamo izotope posameznega el., ter njihove deleže v naravi

20
Q

Do kje vidimo s prostim očesom?

A

do 1 desetinke milimetra (0,1 mm)