Quiz on Elements and Compounds

What are the fundamental building blocks of all matter?

• Compounds

• Mixtures

• Elements

• Molecules

Tags

NGSS.MS-PS1-1

What is the periodic table used for?

• To organize chemical reactions

• To arrange elements systematically

• To list chemical compounds

• To display mixtures

What is formed when two or more different elements combine chemically?

• Mixture

• Element

• Compound

• Solution

Tags

NGSS.MS-PS1-5

What distinguishes compounds from mixtures?

• Physical state

• Chemical bonding

• Color

• Density

What happens to the properties of substances in a mixture?

• They change completely

• They remain the same

• They become identical

• They disappear

What is the result of chemical bonding in compounds?

• A new substance with unique properties

• A mixture with varied properties

• A solution with dissolved elements

• A gas with no properties

Tags

NGSS.MS-PS1-1

What reflects the fundamental difference between compounds and mixtures?

• The color of substances

• The methods used to separate them

• The temperature at which they form

• The pressure applied to them

How can compounds be separated?

• By physical means

• By chemical reactions

• By filtration

• By evaporation

What is the primary method for separating mixtures?

• Chemical reactions

• Physical means

• Nuclear reactions

• Magnetic separation