Elements, Compounds and Mixtures Quiz

When two or more elements combine chemically, they form _________.

• DNA

• atoms

• molecules

• compounds

Tags

NGSS.MS-PS1-1

Which of the following substances cannot be decomposed into a simpler substance?

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

• 17

• 5

• 15

• 4

Tags

NGSS.MS-PS1-1

What is made of only 1 type of atom?

• atoms

• elements

• compounds

• mixtures

One way to tell how many elements a compound has is to..

• multiply the number

• count the capital letters

• add up all the numbers

• count the letters

Tags

NGSS.MS-PS1-1

How many elements are represented in the compound?
Na₂CO₃

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

A substance made up of two or more types of atoms that are NOT chemically combined is called a(n)

• element

• mixture

• compound

• pure substance

Salt is a _________.

• compound

• element

• homogeneous mixture

• heterogeneous mixture

Tags

NGSS.MS-PS1-1

What is an atom?

• Smallest possible piece of rock

• Smallest possible particle

• Largest possible particle

• Largest piece of rock

Tags

NGSS.MS-PS1-1

What is this?

• Periodic Chart

• Element table

• Element chart

• Periodic table