Elements, Compounds, Mixtures

Front

A substance made of only one type of atom is called —

Back

an element

Front

What is an example of an element?

Back

Oxygen

Front

A mixture that appears to be evenly mixed throughout is called a —

Back

homogeneous mixture

Front

This diagram represents a _____ (pure substance that is a compound, mixture of elements, pure substance that is an element, mixture of compounds).

Back

pure substance that is a compound

Front

In the diagrams provided, the circles of different colors represent the atoms of different elements. Which diagram represents a mixture? (I, II, III, IV)

Back

I

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.

Tags

NGSS.MS-PS1-1

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

Define a homogeneous mixture.

Back

A mixture that has a uniform composition throughout.

Front

Define a heterogeneous mixture.

Back

A mixture that has a non-uniform composition and the different components can be seen.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded.

Tags

NGSS.MS-PS1-1