Elements, Compounds, Mixtures

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means. It consists of only one type of atom.

Tags

NGSS.MS-PS1-1

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together. It has a fixed composition and distinct properties.

Tags

NGSS.MS-PS1-1

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded. Each substance retains its own properties.

Front

What is the chemical symbol for Iron?

Back

Fe

Front

What is the chemical symbol for Hydrogen?

Back

H

Front

What is the difference between a compound and a mixture?

Back

A compound is formed by chemical bonding of elements, while a mixture is a physical combination of substances.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture that has a uniform composition throughout, such as saltwater.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture that does not have a uniform composition, such as a salad.

Front

What does a particle diagram represent?

Back

A particle diagram visually represents the arrangement and interaction of particles in a substance, illustrating whether it is an element, compound, or mixture.

Tags

NGSS.MS-PS1-1

Front

What is the chemical formula for Ammonia?

Back

NH3

Tags

NGSS.MS-PS1-1