Atoms and Molecules

Front

What is the smallest amount of an element? Options: Atom, Molecule, Compound, Proton

Back

Atom

Front

How would O2 be qualified? Options: Atom, Molecule, Compound

Back

Molecule

Front

What does conservation of matter mean?

Back

Matter cannot be created nor destroyed, and cycles through ecosystems.

Front

What is an element?

Back

A pure substance that cannot be broken down.

Front

What are atoms composed of?

Back

Protons, neutrons, and electrons.

Front

What is gold? Options: element, compound, mixture

Back

element

Front

The beginning substances in a chemical reaction are called...

Back

reactants

Front

How many H atoms are in H₂O?

Back

2

Front

Carbon dioxide (CO₂) contains how many atoms of oxygen?

Back

2