Quiz #5 Questions (Semester 1)

1. Interpret Histograms and what they tell us.
- Shows the percent recovery of all lab groups

2. Chemical Symbols
- The letters of the chemical language's alphabet that are understood by scientists throughout the world.

3. Period Table of Elements
- All known elements are organized here; one of the most useful tools in a chemist's world.

4. Subscript
- A number written below the normal line of letters, which indicates how many atoms of the element just to the left of this are in one unit of the substance.

5. Chemical Equations
- Chemicals sentences that summarize the details of a particular chemical reaction.

6. Chemical Reactions
- Entail the breaking and forming of chemical bonds, causing atoms to become rearranged into new substances.

7. Reactants
- The original (starting) substances in a chemical reaction (written to the left of the arrow)

8. Products
- The new substance or substances formed from from the rearrangement of the reactant atoms.

9. Balanced Equations
- The total number of each type of atoms is the same for both reactants and products.

10. Diatomic Molecules
- They exist as two bonded atoms of the same element.