Counting Atoms

Counting Atoms in a chemical formula Counting Atoms : 1-6 Write the number of Atoms of each element and then the total. 12 6 24 2 6 10 12 3 15 4 10 14 2 6 10 1 3 6 6 2 2 2 Match the following columns: 7. Subscript Determines the number of Atoms of an element. 8. Coefficient Tells the number of molecules of a compound. Write the total number of atoms of each element and the total number of Atoms. 1 1 2 6 4 14 4 1 5 8 8 3 2 5 48 68 4 20 15. What is the total number of Oxygen atoms in a molecule of glucose? C6H12O6 6 18 24 16. What is the number of Carbon atoms in a molecule of Carbon dioxide? CO2 2 3 1 17. What would be the total number of Hydrogen atoms in 2 molecules of water? 2H2O 2 4 1 Match the following columns. 18. Protons Identifies the element. Positive part of the atom, located in the nucleus. They have a mass of 1 amu. 19. Neutrons No electrical charge, located in the nucleus and have a mass of 1 amu. 20. Electrons They form the Electron cloud, have a negative charge and a mass of almost 0.