Elements, Molecules and Compounds

Front

What is the basic building block of matter?

Back

Atom

Front

What is a substance made up of two or more different types of atoms bonded together?

Back

Compound

Front

What is a pure substance that cannot be broken down into simpler substances?

Back

Element

Front

What is a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound?

Back

Molecule

Front

How many atoms are in the compound CH₄?

Back

5

Front

How many different elements are in the compound Fe₃O₄?

Back

2

Front

What is H₂O commonly known as?

Back

Water

Front

Which of the following is a compound: water, carbon dioxide, ammonia, methane?

Back

All of them are compounds

Front

What is the chemical formula for table salt?

Back

NaCl

Front

What is the term for a mixture of two or more substances that are not chemically combined?

Back

Mixture