Víz, levegő számítások - gyakorló

Víz, levegő számítások - gyakorló

8th Grade

10 Qs

quiz-placeholder

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Víz, levegő számítások - gyakorló

Víz, levegő számítások - gyakorló

Assessment

Quiz

Chemistry

8th Grade

Practice Problem

Easy

Created by

Erzsébet Dóka

Used 6+ times

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10 questions

Show all answers

1.

OPEN ENDED QUESTION

1 min • 2 pts

Hány darab elektron van egy darab szén-dioxid (CO2) molekulában?

Evaluate responses using AI:

OFF

Answer explanation

22

2.

OPEN ENDED QUESTION

1 min • 2 pts

Hány darab proton van egy darab nitrogén molekulában (N2)?

Evaluate responses using AI:

OFF

Answer explanation

14

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Hány elektronhéja van az oxigénnek?

1

2

3

4.

OPEN ENDED QUESTION

1 min • 2 pts

Mekkora az anyagmennyisége 3 ∙ 1024 db vízmolekulának?

Evaluate responses using AI:

OFF

Answer explanation

5 mol

5.

OPEN ENDED QUESTION

1 min • 5 pts

Mekkora a tömege 1,5 ∙ 1023 oxigénmolekulának?

Evaluate responses using AI:

OFF

Answer explanation

8 g

6.

OPEN ENDED QUESTION

1 min • 2 pts

Hány darab atomot tartalmaz egy 27 g tömegű alumíniumkocka?

Evaluate responses using AI:

OFF

Answer explanation

6x1023

7.

OPEN ENDED QUESTION

2 mins • 5 pts

Hány db atomot tartalmaz egy 2 cm élhosszúságú alumíniumkocka (ρ(Al) = 2,7 g/cm3)?

Evaluate responses using AI:

OFF

Answer explanation

1,8x1023

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