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11th Grade

30 Qs

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Assessment

Quiz

Chemistry

11th Grade

Medium

Created by

Sherief Othman

Used 2+ times

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following choices become saturated by the higher number of electrons?

One of 4f orbitals

3d sublevel

Principal level n=2

One of 3d orbitals

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The two electrons of helium atom are not similar in the -----

Principal quantum number

Magnetic quantum number

Subsidiary quantum number

Spin quantum number

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The two orbitals (2s, 3px) can be similar in -----

The energy

The shape

The number of electrons in each of them

The spatial orientation

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The electrons of 5d sublevel in one of the atoms cannot have the magnetic quantum number -----

+1

+2

+3

-1

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In which of the following sublevels the 2 quantum numbers of the last electron are n=2, l=0

2s

2p

1s

3p

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which of the following elements has the smallest radius?

Mg12

Al13

Si14

K19

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who first introduced the uncertainty principle?

De Broglie

Dirac

Schrödinger

Heisenberg

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