19 elementų Flashcards

1
Q

Aliuminis

A

Al, aliuminis

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2
Q

Anglis

A

C, c

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3
Q

Auksas

A

Au, aurum

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4
Q

Azotas

A

N, n

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5
Q

Chloras

A

Cl, chlor

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6
Q

Cinkas

A

Zn, cinkas

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7
Q

Deguonis

A

O, o

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8
Q

Fosforas

A

P, p

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9
Q

Geležis

A

Fe, ferum

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10
Q

Gyvsidabris

A

Hg, hydrargyrum

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11
Q

Kalcis

A

Ca, kalcis

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12
Q

Kalis

A

K, kalis

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13
Q

Magnis

A

Mg, magnis

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14
Q

Natris

A

Na, natris

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15
Q

Sidabras

A

Ag, argentum

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16
Q

Siera

A

S, s

17
Q

Švinas

A

Pb, pliumbum

18
Q

Vandenilis

A

H, h

19
Q

Varis

A

Cu, kuprum

20
Q

Kas sudaro atomą?

A

Branduolys ir elektronai

21
Q

Kas sudaro branduolį?

A

Protonai ir neutronai

22
Q

Kuo skiriasi protonas nuo neutrono?

A

Protonas turi teigiamą el. krūvį, neutronas el. krūvio neturi

23
Q

Kodėl atomas neutralus?

A

Nes jis turi tiek pat protonų kaip ir elektronų

24
Q

Kaip vadinamas įelektrintas atomas?

A

Jonu

25
Q

Ką vadiname cheminiu elementu?

A

Cheminis elementas - atomų visuma, turinti vienodą branduolio krūvį