Skābeklis, ūdeņradis, gaiss Flashcards

(15 cards)

1
Q

Skābekļa alotropā forma, kas veido ozonu.

A

O3

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2
Q

Kā rodas O3?

A

Zibens elektriskās izlādes rezultātā.

UV starojuma ietekmē.

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3
Q

Sakārto augošā secībā vides atkarībā no O2 daudzuma tajās - H2O, gaiss, zemes garoza.

A
  1. Gaiss (21%)
  2. Zemes garoza (49%)
  3. H2O (88.9%)
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4
Q

4 sfēras, kurās ir sastopams skābeklis.

A

Atmosfēra, hidrosfēra, litosfēra, biosfēra.

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5
Q

Kas rodas, ja O2 reaģē ar Na vai K?

A

Attiecīgā metāla peroksīds.

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6
Q

Pie kādiem apstākļiem skābeklis reaģē ar lielāko daļu metālu?

A

Karsējot/pie augstām temperatūrām.

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7
Q

Kuri metāli ar O2 reaģē bez karsēšanas?

A

Sārmu metāli jeb IA grupa.

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8
Q

Kuri metāli nereaģē ar O2?

A

Ag, Au, Pt.

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9
Q

Kuri nemetāli nereaģē ar O2?

A

Cēlgāzes (VIIIA) un halogēni (VIIA).

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10
Q

Ūdeņraža izotops, kura kodolā nav neitronu.

A

Protijs.

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11
Q

Ūdeņraža izotops, kura kodolā ir 1 neitrons.

Kodola nosaukums.

A

Deitērijs.

Dietrons.

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12
Q

Ūdeņraža izotops, kura kodolā ir 2 neitroni.

Kodola nosaukums.

A

Tritijs.

Tritons.

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13
Q

Gaisā esošās vielas un to % daļa.

A
  1. N2 78%
  2. O2 21%
  3. Ar 0,93%
  4. CO2 0,04%
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14
Q

Kas ir skābo lietu sastāvā?

A

Skābie oksīdi.

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15
Q

Ko ietekmē skābie lieti? (3 piemēri)

A
  1. Vēstures pieminekļus;
  2. Ūdenī dzīvojošos organismus;
  3. Kokaudzes.
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