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Matter
matter
| Question | Answer |
|---|---|
| Where are transition metals located on the periodic table? | in the middle and on the bottom |
| Where are the least reactive elements on the periodic table? | The far right |
| Where are the most reactive elements on the periodic table? | The far left |
| Where are the metalloids on the periodic table? | On the zigzag |
| Where are the nonmetals on the periodic table? | upper right hand |
| Where are the metals on the periodic table? | on the left of the zigzag |
| What is the smallest part of an element? | atom |
| What is the smallest part of a compound? | molecule |
| What does a period represent? | energy levels; rows |
| What does a group represent? | number of valence electrons(also called families); columns |
| What is the definition of mass? | amount of matter in an object |
| What is the Law of Conservation of Matter? | matter cannot be created nor destroyed |
| What is the definition of density? | how tightly packed something is |
| What is the formula for density? | mass/volume (usually shows up as g/mL) |
| What are the types of physical properties? | color, odor, size, hardness, and temperature, luster, phase of matter, density, solubility, boiling point, melting point, conductivity, and mass. |
| What are the types of chemical properties? | reactivity, toxicity, combustibility. |
| What is the definition of melting point? | when a solid melts; same temp as the freezing point |
| What is the definition of combustibility? | how easily a substance burns; flammability |
| What is the definition of reactivity? | how easily an atom reacts with something else |
| What is the definition of boiling point? | when a liquid turns to a gas |
| What is a solute? | what dissolves in another substance |
| What is a solvent? | what the substance is dissolved in |
| What is a solution? | two substances that are evenly mixed together; solute dissolved in a solvent. |
| What is a homogenous mixture? | mixture that has a combination of parts throughout the mixture; pure substances. |
| What is a heterogeneous mixture? | can be easily separated; a mixture that is not the same throughout. |
| What does the atomic number represent? | the number of protons. |
| What does the atomic mass represent? | number of protons plus neutrons. |
| What is a noble gas? | on the right, least reactive. |
| How do you find the number of neutrons? | round atomic mass to the nearest whole number (mass #) an then - the atomic # from this #. |
| What are reactants and products? | a reactant is the substance you have in the beginning. a product is a substance that is formed as the result of the chemical reaction; reactant on the left. |
Created by:
Brylee
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