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matter
| Question | Answer |
|---|---|
| Where are transition metals located on the periodic table? | the middle/bottom |
| Where are the least reactive elements on the periodic table? | the right hand |
| Where are the most reactive elements on the periodic table? | the left hand |
| Where are the metalloids on the periodic table? | down the zigzag line to the right of the table |
| . Where are the nonmetals on the periodic table? | the upper right hand |
| Where are the metals on the periodic table? | the middle and the left |
| What is the smallest part of an element? | atom |
| What is the smallest part of a compound? | molecule |
| What does a period represent? | all of the elements have the same number of atomic orbitals/ energy levels |
| What does a group represent? | they all have the same number of electrons in the outer shell:a family |
| What is the definition of mass? | how much matter a object has |
| What is the Law of Conservation of Matter? | matter can not be created or destroyed |
| What is the definition of density? | how tightly packed an object is |
| What is the formula for density? | p=m/v or mass per unit volume |
| What are the types of physical properties? | color,density,volume,mass,boiling and melting point,odor and conductivity |
| What are the types of chemical properties? | reactivity,flammability,toxicity, and combustion. |
| What is the definition of melting point? | the point at which a solid will melt |
| What is the definition of combustibility? | how easily an object burst into flames |
| What is the definition of reactivity? | the power of being reactive or how much something is reactive how easily an atom has a chemical reaction |
| What is the definition of boiling point? | the point at which a liquid will boil and evaporate |
| What is a solute? | what dissolves in a solvent |
| What is a solvent? | something that can dissolve another component |
| What is a solution? | a mixture in which the solute is uniformly distributed within the the solvent. |
| What is a homogeneous mixture? | A homogeneous mixture is a mixture that has the same proportions of its components throughout any given sample. |
| What is a heterogeneous mixture? | a heterogeneous mixture has components whose proportions vary throughout the sample. can be separated easily |
| What does the atomic number represent? | number of protons |
| What does the atomic mass represent? | number of protons and neutrons |
| What is a noble gas? | They are all odorless, colorless, Mon atomic gases with low chemical reactivity. far right |
| How do you find the number of neutrons? | subtract the atomic number from the atomic mass and round |
| What are reactants and products? | reactants are changed into the product during a chemical reaction |
Created by:
issacfarr23
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