#1: Element or Compound

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances and is made of only one type of atom.

Front

What is a compound?

Back

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

Front

Which of the following is NOT a compound: HCl, Cl, NaCl, CO2?

Back

Cl is NOT a compound.

Front

How many capital letters does an element have?

Back

An element has only one capital letter.

Front

What is the chemical formula for salt?

Back

The chemical formula for salt is NaCl.

Front

Is NaCl an element or a compound?

Back

NaCl is a compound.

Front

What best describes an element?

Back

An element is made of only one atom.

Front

Can compounds be separated into their elements?

Back

Yes, compounds can be separated into their elements through chemical reactions.

Front

Give an example of a compound.

Back

Water (H2O) is an example of a compound.

Front

What is the difference between an element and a compound?

Back

An element consists of one type of atom, while a compound consists of two or more different types of atoms chemically bonded.