Atoms and Molecules

What is the smallest?

• worm
• molecule
• galaxy
• atom

What is a proton?

• A positively charged particle in the nucleus of an atom.
• A negatively charged particle 
• A neutrally charged particle in the nucleus of an atom.
• A professional ton

What is a neutron?

• A positively charged particle in the nucleus of an atom.
• A negatively charged particle 
• A neutrally charged particle in the nucleus of an atom.
• A professional ton

What is the nucleus of an atom?

• The atom's brain
• The electrons of an atom
• The center of an atom, composed of protons and neutrons
• Composed of nucleons

How many oxygen atoms are in C₂HO₈Cl₂?

• 2
• 26
• 8
• 5

A substance made of only one kind of atom is a/an.......

• compound
• atom
• molecule
• element

True or False - Each element is made of atoms that are all alike.

• True
• False

What substance is formed when 2 or more different kinds of atoms bond to each other?

• element
• compound
• atom
• nucleus

Which is an example of an element?

• pizza
• hydrogen
• air
• water

Which is an example of a compound?

• oxygen
• hydrogen
• gold
• water