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Matter
| Question | Answer |
|---|---|
| Where are transition metals located on the periodic table? | In the middle of the table from group 3 to 12 at the bottom |
| Where are the least reactive elements on the periodic table? | On the far right side of the table |
| Where are the most reactive elements on the periodic table? | On the far left side of the table |
| Where are the metalloids on the periodic table? | On the right of the table on the zigzag line |
| Where are the nonmetals on the periodic table? | upper right of periodic table (and hydrogen) |
| Where are the metals on the periodic table? | On the left side of the zigzag |
| What is the smallest part of an element? | The elements atom |
| What is the smallest part of a compound? | molecule |
| What does a period represent? | Energy levels; rows |
| What does a group represent? | Valence electrons (also called a family); columns |
| What is the definition of mass? | The amount of matter in an object |
| What is the Law of Conservation of Matter? | Matter can neither be created nor destroyed |
| What is the definition of density? | How tightly packed something is |
| What is the formula for density? | Mass (g) divided by volume (cm3) (usually shows up as g/mL) |
| What are the types of physical properties? | Color, Phase (State), Mass, Density, Odor, Melting Point, Boiling Point size, luster, hardness, solubility, conductivity |
| What are the types of chemical properties? | Flammability (combustibility), Toxicity, and Reactivity |
| What is the definition of melting point? | When an object goes from a solid to a liquid; same temperature as the freezing point |
| What is the definition of combustibility? | The ability to burn |
| What is the definition of reactivity? | how easily an object combines with something else |
| What is the definition of boiling point? | When an object goes from a liquid to a gas (vapor) |
| What is a solute? | A substance that is dissolved in another object |
| What is a solvent? | The liquid in which a solute dissolves in |
| What is a solution? | Substances in a mixture are evenly distributed; all parts are the same ; solute dissolved in a solvent |
| What is a homogenous mixture? | A mixture that has the same combination of components throughout the entire mixture (pure substance) |
| What is a heterogeneous mixture? | A mixture that is not the same throughout; can be easily separated |
| What does the atomic number represent? | The number of protons (Also, usually the number of electrons) |
| What does the atomic mass represent? | Protons and neutrons in the element |
| What is a noble gas? | Located on the far right hand column a gas that is not reactive |
| How do you find the number of neutrons? | Round the Atomic mass to the nearest whole number, and then subtract the Atomic number from the Atomic mass |
| What are reactants and products? | The substances you have in the beginning of a chemical equation are called reactants and products are what you have after the reaction is complete |
Created by:
DanielleG18
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