Term
| What is a physical change? |
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Definition
-No Reaction
-Change in State
Ex. Coffee beans are crushed |
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Term
| What is a chemical change? |
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Definition
-Reactions
-‘Something new is formed’
Ex. Burning of leaves |
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Term
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Definition
-No Numbers involved
Ex. Bob is tall |
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Term
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Definition
-Numbers are involved
Ex. Bob is 6 feet tall |
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Term
| Name at least 5 physical properties? |
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Definition
-State
-Color
-Volatile
-Lustre
-Malleability
-Viscosity
-Ductility
-Texture
-Hardness
-Density
-Combustability
-Clarity
-Conductivity
-Cohesion/Adhesion
-Melting/Boiling point
-Solubility (ex.In water or whatever substance) |
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Term
| Name at least 3 chemical properties? |
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Definition
-Unknown Color Change
-Light
-Heat
-New gas or solid is formed/New something is formed |
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Term
| Wood burnt to ashes. Physical or chemical property? |
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Definition
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Term
| Sodium is a soft metal. Physical or chemical property? |
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Definition
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Term
| Hydrogen is a colourless gas. Physical or chemical property? |
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Definition
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Term
| Gold does not tarnish. Physical or chemical property? |
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Definition
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Term
| John is 7 feet tall. Qualitative or quantitative? |
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Definition
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Term
| Potassium floats on water, but reacts vigorously with the water. Qualitative or quantitative? |
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Definition
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Term
| Boiling point of water is 100 degrees celsius. Qualitative or quantitative? |
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Definition
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Term
| Nitrogen is a colourless gas at room temperature. Qualitative or quantitative? |
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Definition
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Term
| Addition of flour and water. Physical or chemical change? |
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Definition
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Term
| Formation of dew. Physical or chemical change? |
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Definition
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Term
| Rotting of food. Physical or chemical change? |
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Definition
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Term
| Explosion of a fire cracker. Physical or chemical change? |
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Definition
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Term
| What is a pure (substance)? |
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Definition
-Has 1 type of particle
-Element and Compound
-Opposite from a mixture |
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Term
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Definition
-Has 1 type of particle
-Heterogeneous(Mechanical mixture)
-Homogeneous(Solution) |
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Term
| What is a heterogeneous mixture? |
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Definition
-Also called a mechanical mixture
-2 or more phases
-Can be separated
Ex. Rock in water, oil and water |
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Term
| What is a homogeneous mixture? |
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Definition
-Also called a solution
-1 phase
-Can't be separated (difficult/ impossible to do)
Ex. Air, apple juice, steel |
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Term
|
Definition
-On the periodic table
-1 thing
Ex. Hydrogen (H) |
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Term
|
Definition
-Elements bonded together/multiple things off the PERIODIC TABLE that are bonded together
-Multiple things
Ex. Water (H2O) |
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Term
|
Definition
| Used to describe matter and its interactions with other matter |
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Term
| Milk. Homogeneous or heterogeneous mixture or pure substance? |
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Definition
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Term
| Sand and water. Homogeneous or heterogeneous mixture or pure substance? |
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Definition
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Term
| Clean air. Homogeneous or heterogeneous mixture or pure substance? |
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Definition
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Term
| Aspirin. Homogeneous or heterogeneous mixture or pure substance? |
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Definition
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Term
| Vinegar. Homogeneous or heterogeneous mixture or pure substance? |
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Definition
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Term
| Raisin Bran. Mechanical mixture or solution or pure substance? |
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Definition
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Term
| House paint. Mechanical mixture or solution or pure substance? |
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Definition
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Term
| Clear tea. Mechanical mixture or solution or pure substance? |
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Definition
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Term
| Clear honey. Mechanical mixture or solution or pure substance? |
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Definition
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Term
| Oxygen. Mechanical mixture or solution or pure substance? |
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Definition
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Term
| Sulphur. Mechanical mixture or solution or pure substance? |
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Definition
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Term
| Gold. Mechanical mixture or solution or pure substance? |
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Definition
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Term
|
Definition
-Atomic Number(p+ & e-) -> Very top left
-Atomic Mass(p+-no) -> Very top right
-Electronegativity -> Under atomic number/middle left |
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Term
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Definition
| When the same element has different mass' |
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Term
| In Fluorine (F) determine how many electrons, protons, and neutrons it's atom contains. |
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Definition
Electrons = 9
Protons = 9
Neutrons = 10 |
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Term
|
Definition
Horizontal rows
same number of orbits |
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Term
|
Definition
Vertical columns
same number of valence electrons
similar properties |
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Term
| What are valence electrons? |
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Definition
| Electrons in the outermost shell |
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Term
| What is an atomic radius? |
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Definition
A measure of size: the bigger the period number, the bigger the atomic radius. If its in the same period, then the more protons, the smaller the radius.
OR
-Lowest ionization to the left-bottom of the periodic table
-Highest ionization to the top-right of the P.T. |
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Term
| What is ionization energy? |
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Definition
The energy to remove an electron
-Lowest ionization to the left-bottom of the periodic table
-Highest ionization to the top-right of the P.T. |
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Term
| What is electron affinity? |
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Definition
| Energy released when electron is gained |
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Term
| Indicate the order of groups and families from left to right of the periodic table. |
|
Definition
1. Alkali Metals
2.Alkali earth metals
3. Transition metals
4. Halogens
5. Noble Gases |
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Term
| Electronegativity. 0 - 0.69. Polar Covalent, covalent, or Ionic? |
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Definition
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Term
| Electronegativity. 0.7 - 1.69. Polar Covalent, covalent, or Ionic? |
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Definition
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Term
| Electronegativity. 1.7 and up. Polar Covalent, covalent, or Ionic? |
|
Definition
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