Matter Unit 4 Warm-Up

A pure substance that cannot be broken down into any other substance by chemical or physical means. There are about 100 of us shown in the Periodic Table

• compound
• mixture
• molecule
• element

Type of matter made of two or more elements...

• element
• mixture
• compound

Check all that apply. The particles on the outside revolving around the nucleus ...

• have a negative charge.

• are protons.

• have a minus sign as its symbol.

• are electrons.

Tags

NGSS.MS-PS1-1

Check all that apply.

Letter A...

• is an electron.

• is a proton.

• has a positive charge.

• has a negative charge.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS2-3

What is the most abundant element in the human body, earth’s crust and oceans?

• Nitrogen

• Oxygen

• Silicon

• Hydrogen

Check all that apply. The diagram shows a square from the periodic table. The 79 is...

• its atomic mass.

• its atomic number.

• the number of protons.

• the number of neutrons.

Tags

NGSS.MS-PS1-1

2 atoms of any element is called a...

• compound.

• mixture.

• nucleus.

• molecule.

Tags

NGSS.MS-PS1-1

Carbon, hydrogen, nitrogen, oxygen are...

• mixtures.

• the largest portion of Earth's crust, living mater, oceans & atmosphere.

• the least common elements on Earth.

• compounds.

Tags

NGSS.MS-PS1-1

Check all that apply.

This diagram shows....

• a compound known as water.

• a result of a chemical reaction.

• a mixture.

• chemical bonds between 2 different atoms.

Tags

NGSS.MS-PS1-1

Check all that apply.

A mixture is ....

• chemically combined.

• not chemically combined.

• has parts that can be separated more easily.