Molecules and compounds and bonds

Molecules and compounds and bonds

9th Grade

20 Qs

quiz-placeholder

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Molecules and compounds and bonds

Molecules and compounds and bonds

Assessment

Quiz

Chemistry

9th Grade

Medium

NGSS
HS-PS1-2, HS-PS1-1, MS-PS1-1

+3

Standards-aligned

Created by

JASON MIDDLEBROOK

Used 1+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is a molecule?

two elements bonded together (sharing electrons)

a mixture of different substances

smallest individual particles

salt mixed in water

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a compound?

Two different elements bonded together.

Two of the same elements bonded together.

A mixture of different substances.

Two substances stuck together with glue.

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a subscript and coefficient tell us in a chemical formula?

The number of elements

The number of atoms

The amount of mass

The year

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does a chemical equation show that if follows the law of conservation of mass?

same Number of people on each side

all lower cases

The same number of mass and elements on each side of the equation

Tacos

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Is H20 a compound

yes

No

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many atoms are in H20+PNa=PH2+NaO

4

6

1

5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the law of conservation of mass state

Mass cannot be created nor destroyed

Mass is a concept

Atoms are actually fake

elements don’t contain mass

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