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matter
| Question | Answer |
|---|---|
| Where are transition metals located on the periodic table? | At the bottom and middle |
| Where are the least reactive elements on the periodic table? | far right |
| Where are the most reactive elements on the periodic table? | far left |
| Where are the metalloids on the periodic table? | on the zigzag |
| Where are the nonmetals on the periodic table? | upper right of the periodic table |
| Where are the metals on the periodic table? | on 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? | energy levels;rows |
| What does a group represent? | number of valence electrons-families |
| What is the definition of mass? | The measure of matter in an object |
| What is the Law of Conservation of Matter? | matter cannot be created or destroyed |
| What is the definition of density? | how packed something is |
| What is the formula for density? | the formula p=m/V, or density (p) is equal to mass (m) divided by volume (V). (usually shows up as g/ml) |
| What are the types of physical properties? | appearance, texture, color, odor, melting point, boiling point,phase of matter,hardness,density,solubility,conductivity,mass,size |
| What are the types of chemical properties? | reactivity,toxicity,flammability,Heat of combustion |
| What is the definition of melting point? | the temperature as the freezing point |
| What is the definition of combustibility? | is a measure of how easily a substance will set on fire, through fire or combustion. |
| What is the definition of reactivity? | is the measure of how easily something goes under a chemical reaction |
| What is the definition of boiling point? | the temperature at which a liquid boils and turns to vapor. |
| What is a solute? | a solid that dissolves into a liquid or gas |
| What is a solvent? | a substance that dissolves a liquid or gas |
| What is a solution? | a liquid mixture in which the solute is dissolved within the the solvent. |
| What is a homogeneous mixture? | a mixture that has the same combination of components throughout the entire mixture. |
| What is a heterogeneous mixture? | a mixture that is not the same but can be separated |
| What does the atomic number represent? | the atomic number represents the number of protons |
| What does the atomic mass represent? | the mass of an atom of a chemical element expressed in atomic mass units |
| What is a noble gas? | least reactive |
| How do you find the number of neutrons? | round the atomic to the nearest whole number then subtract the mass by the atomic number and it equals the number of neutrons |
| What are reactants and products? | the reactants are what you have at the beginning products are the new substance |
Created by:
Thatkid_EJ
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