SK015 WEEK 4

SK015 WEEK 4

10th - 12th Grade

20 Qs

quiz-placeholder

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SK015 WEEK 4

SK015 WEEK 4

Assessment

Quiz

Chemistry

10th - 12th Grade

Medium

Created by

Nicole lim

Used 89+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Define "quantized"

The electron's mass is very small. 
The electron is actually a wave.
The position & momentum of the electron cannot be known at the same time. 
The electron is limited to certain positions in the atom.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

"Electrons have particle and wave-like properties."

Planck
Heisenberg
de Broglie
Schrodinger

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are we not allowed to know the position and momentum of the electron? 

the size of the nucleus
the electron's mass is too small
the electron behaves like a wave
it moves too fast

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The position & momentum of the electron cannot be known at the same time. 

Planck
Heisenberg
de Broglie
Schrodinger

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many electrons can an energy level of n = 2 hold?

32
24
8
6

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An electron cloud

represents a 50% probability of finding an electron
has uniform density
can be called an orbital
can only show where the electron is not located

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Heisenberg Uncertainty Principle states

velocity and position cannot be determined at the same time
a beam of light can interfere with the path and speed of an electron
photons do not affect the position of an electron
the velocity of a car cannot accurately be measured by a radar beam

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