1. a) Atom b) element c) matter d) compound e) covalent bond 2. Periodic table of elements 3. oxygen, carbon, hydrogen, nitrogen 4. Water is not an element, it is a compound because it is made of the two elements hydrogen and oxygen. 5. While all 3 flavors of ice cream are different (elements), they combine to make a new flavor (compound) 6. a) proton b) electron c) neutron 7. a) electron b) protons and neutrons c) nucleus d) electron shell e) subatomic particles 8. B