How many golf balls in the room? The hard part is “packing.”

Why is chemistry hard?

Why is chemistry hard? Atoms are really small. About 100 types of atoms (each a chemical element). Matter is made of atoms, mostly connected together in molecules and larger structures- infinite variety of combinations.

Why is chemistry useful?

Why is chemistry useful? Atoms are really small. About 100 types of atoms (each a chemical element). Matter is made of atoms, mostly connected together in molecules and larger structures- infinite variety of combinations.

The Periodic Table is Your Friend

Chapter 1: Matter and Measurement Atoms and Elements Molecules and Compounds Classification of Matter Properties of Matter and Measurement Temperature Mass Volume

Atoms-Elements Molecules-Compounds These are the chemical elements. The smallest particles of which are ATOMS. Combinations of elements make COMPOUNDS. The smallest particles of which are MOLECULES.

Classification of Matter

Classification of Matter Some to try: Air _______________ Water _______________ Tea _______________ Cookie _______________ Aluminum foil _____________ Milk _____________ Pen ink _____________ Soda _____________ Find all the pure elements in the room.