Atoms and Elements

Atoms and Elements

8th Grade

•

26 Qs

quiz-placeholder

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Atoms and Elements

Atoms and Elements

Assessment

Quiz

•

Science

•

8th Grade

•

Medium

Created by

ELISE KRISKE BRIONES

Used 7+ times

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26 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which element is least reactive?

Neon, because it has two energy levels with eight electrons in the second level

Chlorine, because it has three energy levels with seven electrons in the third level

Gallium, because it has four energy levels with three electrons in the fourth level

Tin, because it has five energy levels with four electrons in the fifth level

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which has the greatest density? D=M/V

1

2

3

4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Valence Electrons are related to

Period number

Group number

Atomic number

Atomic mass

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the atomic number?

16

32

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Name the atom with 8 protons, 8 neutrons, and 8 electrons

Sulfur

Nitrogen

Oxygen

Carbon

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many elements? C10H12N2O

10

12

25

4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many total atoms? C10H12N2O

10

12

25

4

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