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Unit 7k Reassessment

Authored by ARIELLE BROOKS

Chemistry

10th Grade

NGSS covered

Used 4+ times

Unit 7k Reassessment
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does an electron become excited?

It releases energy

It drops to a lower principal energy level

it absorbs energy

it moves closer to the nucleus

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Radio waves, visible light, and x rays are examples of electromagnetic waves that always differ from each other in

amplitude

intensity

temperature

wavelength

Tags

NGSS.HS-PS4-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following has the electromagnetic waves going from least amount of energy to most amount of energy?

Radio Waves, Infrared, X Rays

Gamma, Infrared, Microwaves

Microwaves, Radio, X Rays

Visible Light, Infrared, Microwaves

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which color has the longest wavelength?

Red

Orange

Yellow

Blue

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which color photon would have the lowest frequency

red

green

blue

yellow

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

True or false: Based on the lewis structure for the unknown element X (pictured above), X has at least ten electrons.

True

False

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Based on the bright line spectrum pictured above, which element is NOT contained in the mixture?

Element A

Element D

Element Z

All elements are contained in the mixture

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