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II Aine ehitus

Authored by Rachel Kosapoeg

Science

10th Grade

Used 3+ times

II Aine ehitus
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mis on vesiniku (H) oksüdatsiooniaste?

+1

-1

+2

-2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Millise laenguga on aatomi tuum?

positiivse laenguga

negatiivse laenguga

neutraalse laenguga

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Aatom ......... haihtuda ega tekkida keemilises reaktsioonis.

saab

ei saa

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Keemilises reaktsioonis ....... võimalik kahest aatomist tekitada ühe uue aatomi.

on

ei ole

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kuidas nimetatakse positiivset iooni?

katood

anioon

katioon

onion

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mitu väävli aatomit on kolmes väävelhappes (H2SO4)?

1

2

3

4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mis osakeste arv erineb ühe elemendi isotoopide vahel?

elektronide

prootonite

neutronite

kvarkide

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