Compounds, Elements and Mixtures

Water is made up of hydrogen and oxygen, two elements that were chemically combined. This makes water a(n)

• atom

• compound

• element

• mixture

Tags

NGSS.MS-PS1-1

__ is a pure substance containing two or more kinds of atoms.

• Element

• compound

• mixture

• solution

An element is a ___ that cannot be separated into simpler substances by physical or chemical means.

• pure substance

• mixture

• solution

• compound

Which of the following is a heterogenous mixture?

• neon

• soil

• steel

• salt water

The circles represent atoms. What is this?

• element

• compound

• mixture of elements and compounds

• mixture of compounds

Tags

NGSS.MS-PS1-1

The circles represent atoms. What is this?

• element

• compound

• mixture of elements and compounds

• mixture of compounds

Tags

NGSS.MS-PS1-1

A substance is an ​ (a)   if all the atoms in the substance are the same

• element

• compound

• mixture

• homogeneous

Tags

NGSS.MS-PS1-1

Match the following

• H (Hydrogen)

• Element

• Salt water

• Mixture

• H2O (water)

• Compound

Tags

NGSS.MS-PS1-2

This picture represents which of the following?

• element

• compound

Tags

NGSS.MS-PS1-1

The circles represent atoms. What is this?

• element

• compound

• mixture of elements

• mixture of compounds

Tags

NGSS.MS-PS1-1