| Term | Definition |
|---|
| A chemical reaction happens ______ occurs. | change |
| What are the building blocks of matter? | Atoms |
| mixtures | Two or more substances that are combined. |
| Solution is when a solid dissolves in a liquid and the liquid is | clear |
| Universal Solvent | Water |
| Example of solution | salt water |
| solute | The substance dissolved in a solvent. |
| Chemical formula | symbols and numbers to describe the kinds and numbers of atoms in a molecule. |
| dissolved | A process in which one material disperses uniformly into anothermaterial, so that the first material seems to disappear. |
| atom | the smallest particle of an element. |
| chemical bond | the attachment between two atoms in a molecule |
| chemical reaction | the process in which two or more substances combine to make one or more new substances that have different properties than the original ones |
| x | x |
| concentration | the relative amount of a substance in a mixture |
| compound | a substance made up of two or more elements that are chemically combined |
| crystal | the solid form of a material that can be identified by its natural shape or pattern |
| dissolving | the process of a material becoming incorporated uniformly into another, or of two materials mixing together evenly |
| element | a sample of matter composed of only ONE kind of atom |
| evaporate | to turn into gas, like water into water vapor |
| x | x |
| mixture | a substance containing two or more materials with different properties |
| molecule | two or more atoms combined |
| periodic table | an arrangement of the elements that provides information about their properties |
| precipitate | a solid material that forms during a chemical reaction |
| product | a new substance created in a chemical reaction |
| reactant | The starting substances in a chemical reaction |
| saturated solution | a solution in which as much solute as possible has been dissolved |
| solubility | how well a solid will dissolve. |
| solute | a substance that dissolves in a solvent to form a solution |
| solution | a special mixture formed when one or more materials dissolves in another |
| solvent | a liquid that dissolves a solute to form a solution |
| Examples of chemical reactions are | change in temperature, gas forms, or a precipitate forms. |
| How do you know that a solution has become saturated? | You will see solid material at the bottom of the container. |
| The greater the solubility of a substance... | the more it dissolves |
| The lower the solubility of a substance... | the less it dissolves |
| How do you know Epsom salt is more soluble than table salt? | Much more of it dissolves in the same amount of water. |
| Atoms are never... | destroyed or created. |
| Atoms just... | rearrange |
| All atoms in the reactants are... | used to make products |
| No atoms are left behind and no atoms... | come from another place |
| The number of atoms on the reactant side is... | exactly the same as the ones on the product side |
| In a formula, the reactant side is on the... | left |
| In a formula, the product side is on the... | right |
| The arrows means... | "yields" |
| C + O² = | CO² |
| 2 H² + O² = | 2H²O |
| HCl + NaHCO³ = | NaCl + CO² + H²O |
| O², N², C, Al, and Cu are all examples of | elements |
| H²O, CO², and NaCl are all examples of | compounds |
| C has ___ atom/s | one |
| O² has ___ atom/s | two |
| NaCl has ___ atom/s | two, one of each |
| H²O has ___ atom/s | Three |
| 2H²O has ___ atom/s | six |
| 2NaCl has ___ atom/s | four |
| How si the Periodic Table ordered? | from the smallest to the largest atom |
| What is the smallest atom? | hydrogen |
| Where do you start reading the Periodic Table? | At the top left |
| You read the periodic table like a... | book (to the left, and then down to the next row) |
Combine with other sets
Share on Facebook
Share on MySpace