ATOMS, ELEMENTS, MOLECULES AND COMPOUNDS

Front

What is an atom?

Back

The smallest unit of matter that retains the properties of an element.

Tags

NGSS.MS-PS1-1

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

Tags

NGSS.MS-PS1-1

Front

What is a compound?

Back

A substance formed when two or more different elements are chemically bonded together.

Tags

NGSS.MS-PS1-1

Front

What tool would you use to look at tiny objects?

Back

A microscope.

Front

Are all compounds also molecules?

Back

True, all compounds are molecules.

Front

What is the chemical formula for glucose?

Back

C6H12O6.

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

Front

What is the name of the element with the symbol 'He'?

Back

Helium.

Front

Which particles are found in the nucleus of an atom?

Back

Protons and neutrons.

Front

What is the charge of a proton?

Back

Positive.