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Elements and Compounds

Authored by Eric Marin

Science

6th - 8th Grade

NGSS covered

Used 14+ times

Elements and Compounds
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is not a compound?

HCl
Cl
NaCl
CO2

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following represents an element?

H2O

H

NaCl

CaCO3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following cannot be broken down into other substances?

Compound

Mixture

Solids

Element

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A pure substance made by chemically combining two or more elements

Element

Mixture

Compound

Solids

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How many elements are represented in the compound?
Na2CO3

1
2
3
4

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Is sugar (C12H22O11) an element or a compound?

Element
Compound

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Water (H2O) freezing is an example of:

A chemical change
A physical change

Tags

NGSS.MS-PS1-4

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