Elements, Mixtures, and Compounds oh my!

This is anything that has mass and takes up space

• mass

• element

• matter

• compound

Tags

NGSS.MS-PS1-5

These are the purest form of matter that can not be broken down.

• matter

• element

• compound

• mixture

True or False:

Pure substances are made of the same material throughout and have the same chemical and physical properties throughout

• True

• False

Tags

NGSS.MS-PS1-4

Chemical symbols of elements are represented by

• 1 letter

• 2 letters

• 1 or 2 letters

• none of the above

Select all the following elements that are diatomic atoms

• Iodine

• Helium

• Chlorine

• Carbon

• Nickel

Diatomic means...

• divided atoms

• two atoms

• two elements

• divided elements

These are pure substances that are made of two or more elements bonded together

• element

• compound

• mixture

• none of the above

True or False:

Compounds have properties that are the same as the elements that compose it.

• True

• False

How many ELEMENTS make up the compound

CaCO₃

Tags

NGSS.MS-PS1-1

How many ELEMENTS make up the compound

NaHCO₃

Tags

NGSS.MS-PS1-1