Elements Compounds and Mixtures

Which of the following is not a compound?

• HCl

• Cl

• NaCl

• CO2

Tags

NGSS.MS-PS1-1

Which of the following represents an element?

• H₂O

• H₂

• NaCl

• CaCO₃

Tags

NGSS.MS-PS1-1

It is a combination of two or more substances in which each substance maintains its physical property.

• Solution

• Mixture

• Solubility

Which of these is not a mixture? 

• oil and water

• sand and soda

• diet soda

• all are mixtures

chlorine gas, Cl₂, is an example of a(n)

• element

• compound

• mixture

Tags

NGSS.MS-PS1-1

bronze, an alloy of many different metals, is an example of a( n)

• element

• compound

• mixture

This diagram represents a _____.

• pure substance that is a compound

• mixture of elements

• pure substance that is an element

• mixture of compounds

Tags

NGSS.MS-PS1-1

• A pure substance which is an Element

• A pure substance which is an Compound

• Mixture of compound and element
• Mixture of elements

Tags

NGSS.MS-PS1-1

• A pure substance which is an Element

• A pure substance which is a Compound

• Mixture of compound and element
• Mixture of elements

Tags

NGSS.MS-PS1-1

Mixtures are __________ combined.

• Chemically

• Physically

• Magically

• Spontaneously