2. pisana provjera znanja - Kemija (Elektroni u atomu i PSE)

2. pisana provjera znanja - Kemija (Elektroni u atomu i PSE)

9th Grade

14 Qs

quiz-placeholder

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2. pisana provjera znanja - Kemija (Elektroni u atomu i PSE)

2. pisana provjera znanja - Kemija (Elektroni u atomu i PSE)

Assessment

Quiz

Chemistry

9th Grade

Practice Problem

Medium

Created by

Mirela Pavic

Used 17+ times

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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Koliko podljusaka, orbitala i elektrona sadrži P ljuska?

5 podljusaka, 50 orbitala, 50 elektrona

5 podljusaka, 25 orbitala, 50 elektrona

6 podljusaka, 17 orbitala, 36 elektrona

6 podljusaka, 36 orbitala, 72 elektrona

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Kemijski element A ima slična kemijska svojstva kao dušik. Broj protona atoma elementa A veći je od broja protona atoma argona, ali manji od broja protona atoma kriptona. Naziv kemijskoga elementa A je:

selenij

arsen

brom

germanij

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Elektronska konfiguracija treće ljuske Fe3+ iona je:

4s2

4s23d6

3s23p63d4

3s23p63d5

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Koja je elektronska konfiguracija valentne ljuske Cu+ iona?

4s23d9

4s13d10

3d10

3d9

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Koja od navedenih čestica ima najmanji polumjer?

Al3+

Mg2+

Na+

Na

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Odaberi niz u kojem su jedinke Ar, K+, Cl-, Ca2+ i S2- pravilno poredani s obzirom na porast radijusa njihovih atoma.

S2-, Cl-, Ar, Ca2+ i K+

Ca2+, K+, Ar, Cl- i S2-

Ar, K+, Cl-, Ca2+ i S2-

Ca2+, S2-, K+, Cl- i Ar

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Raspon koeficijenata elektronegativnosti može biti između:

0.7 i 1.9

0.8 i 1.9

0.7 i 4.0

0.8 i 4.0

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