Atoms, Molecules, Elements, & Compounds

What is the tiniest particle in the entire universe?

• cells
• gases
• atoms
• liquids

What is the name of a single type of atom?

• cell
• proton
• element
• atom

What is the term for combining 2 or more atoms together?

• atoms
• elements
• molecules
• compounds

What is the term for combining 2 or more DIFFERENT atoms together?

• atoms
• elements
• molecules
• compounds

TRUE OR FALSE:
Every compound is a molecule but not every molecule is a compound.

• TRUE
• FALSE

What is the picture displayed?

• atom
• element
• molecule
• compound

What is the picture displayed?

• atom
• element
• molecule
• compound

What is the picture displayed?

• atom
• element
• molecule
• compound

Are these molecules also compounds?

• YES
• NO

Hydrogen is a pure substance represented by the chemical symbol H. Which of the following best describes hydrogen?

• Hydrogen is an element made of two or more kinds of atoms.
• Hydrogen is a compound made of only one kind of atom.
• Hydrogen is a compound made of two or more kinds of atoms.
• Hydrogen is an element made of only one kind of atom.