<p> Name ______Period _____ Element/Molecule Models Substance Formula Atom Name Number of Molecule Atoms Models</p><p>Hydrogen Gas H2</p><p>Oxygen Gas O2</p><p>Compound/Molecule Models Salt NaCl</p><p>Water H2O</p><p>Sodium Oxide Na2O</p><p>Sodium NaOH Hydroxide (Lye)</p><p>Methane CH4</p><p>Carbon CO2 Dioxide</p><p>Hydrochloric HCl Acid</p><p>1. What is different about the Hydrogen gas model compared to the oxygen gas model? ______2. What do you notice about the structures of the molecules? ______3. What does the formula tell about the molecule? ______4. What do the molecule model diagrams tell about the atoms that make up the molecule? ______5. How does the name of the substance relate to the name/s of the atoms? ______6. If given a formula, how would you know how many of each type of atom to use? ______7. What is the difference between an element molecule and a compound molecule? ______8. What does this show about the scale, proportion, and quantity of molecules? ______9. Water is made from hydrogen and oxygen, but it is very different from those two gases. What does this tell you about properties when atoms form to make molecules? ______10. Give a detailed definition of molecules given the information in the table. ______</p><p>______Gumdrop molecule key Gumdrop molecule key Gumdrop molecule key Count the number of Count the number of Count the number of gumdrops you have and gumdrops you have and gumdrops you have and match to the key. Use a match to the key. Use a match to the key. Use a colored pencil to color colored pencil to color colored pencil to color each gumdrop. Match the each gumdrop. Match the each gumdrop. Match the colors to the numbers. colors to the numbers. colors to the numbers. 4-Hydrogen 4-Hydrogen 4-Hydrogen 3-Chlorine 3-Chlorine 3-Chlorine 2- Oxygen 2- Oxygen 2- Oxygen 2-Sodium 2-Sodium 2-Sodium 1-Carbon 1-Carbon 1-Carbon 1-Calcium 1-Calcium 1-Calcium Gumdrop molecule key Gumdrop molecule key Gumdrop molecule key Count the number of Count the number of Count the number of gumdrops you have and gumdrops you have and gumdrops you have and match to the key. Use a match to the key. Use a match to the key. Use a colored pencil to color colored pencil to color colored pencil to color each gumdrop. Match the each gumdrop. Match the each gumdrop. Match the colors to the numbers. colors to the numbers. colors to the numbers. 4-Hydrogen 4-Hydrogen 4-Hydrogen 3-Chlorine 3-Chlorine 3-Chlorine 2- Oxygen 2- Oxygen 2- Oxygen 2-Sodium 2-Sodium 2-Sodium 1-Carbon 1-Carbon 1-Carbon 1-Calcium 1-Calcium 1-Calcium Gumdrop molecule key Gumdrop molecule key Gumdrop molecule key Count the number of Count the number of Count the number of gumdrops you have and gumdrops you have and gumdrops you have and match to the key. Use a match to the key. Use a match to the key. Use a colored pencil to color colored pencil to color colored pencil to color each gumdrop. Match the each gumdrop. Match the each gumdrop. Match the colors to the numbers. colors to the numbers. colors to the numbers. 4-Hydrogen 4-Hydrogen 4-Hydrogen 3-Chlorine 3-Chlorine 3-Chlorine 2- Oxygen 2- Oxygen 2- Oxygen 2-Sodium 2-Sodium 2-Sodium 1-Carbon 1-Carbon 1-Carbon 1-Calcium 1-Calcium 1-Calcium</p>