Mrs R IS C2
Help!
|
|
||||
|---|---|---|---|---|---|
| Substance in which all the atoms in a sample are alike, cannot be broken down | element
🗑
|
||||
| Substance made up of the chemically combined atoms of 2 or more elements | compound
🗑
|
||||
| Material made up of elements or compounds that are stirred together but not chemically combined | mixture
🗑
|
||||
| 2 categories of mixtures | heterogenous and homogenous
🗑
|
||||
| A mixture in which different materials can be easily seen, easily separated | heterogenous
🗑
|
||||
| A mixture in which materials are blended evenly so the mixture is the same throughout | homogenous
🗑
|
||||
| Any characteristic of a material that can be observed without changing the identify of the material itself | physical property
🗑
|
||||
| Changes in the size, shape, color or state of matter | physical change
🗑
|
||||
| characteristic of a substance that indicates whether it can undergo a specific chemical change | chemical property
🗑
|
||||
| change of a substance in a material into a new substance | chemical change
🗑
|
||||
| Matter is neither created nor destroyed during a chemical change | Law of Conservation of Mass
🗑
|
||||
| When a chemical change takes place, you end up with _______ amount of mass that you started with | the same
🗑
|
||||
| ability to change or move matter | energy
🗑
|
||||
| when a liquid changes to a gas | condensation
🗑
|
||||
| a change that does NOT cause a change in the composisiton of a substance | physical change
🗑
|
||||
| blend of 2 or more pure substances tha do not chemically combine | mixture
🗑
|
||||
| 2 or more liquids that are able to dissolve into each other | miscible
🗑
|
||||
| 2 or more liquies that do not mix into each other | immiscible
🗑
|
||||
| anything tha has mass and occupies space | matter
🗑
|
||||
| smallest particle that has the properties of an element | atom
🗑
|
||||
| properties of a compound are ______ _____ the properties of the individual elements | different than
🗑
|
||||
| 2 or more atoms chemically combined | molecule
🗑
|
||||
| what is the difference between a molecule and a compound? | compound has 2 elements
🗑
|
||||
| shorthand way of respresenting chemcial substances, gives ratios of elements in a molecule | chemical formula
🗑
|
||||
| shows the number of atomsof the element in a compoun | subscript
🗑
|
||||
| shows the number of molecules | coefficient
🗑
|
||||
| matter with a fixed composition and definite properties | pure substance
🗑
|
||||
| all matter is made up of tiny particles in constant motion | kinetic theory ofmatter
🗑
|
||||
| if the temperature increases, the motion of the particles will ___ | increase
🗑
|
||||
| if the mass of the particles is increases, the motion will ____ | decrease
🗑
|
||||
| what are the 4 states of matter? | solid, liquid, gas, plasma
🗑
|
||||
| definite shape and volume | solid
🗑
|
||||
| particles are packed closely together, vibrate and rotate in place | solid
🗑
|
||||
| definite volume, no definite shape | liquid
🗑
|
||||
| liquid or gas | fluid
🗑
|
||||
| resistance of a liquid to flow (thickness) | viscosity
🗑
|
||||
| no definite shape or volume | gas
🗑
|
||||
| can exert pressure on the sides of its container | gas
🗑
|
||||
| pressure can cause it to contract | gas
🗑
|
||||
| gas like mixture consisting of postively and negatively charged particles | plasma
🗑
|
||||
| How can you change the state of a substance? | by adding or taking away energy
🗑
|
||||
| when a liquid turns into a gas at the surface, absorbs energy | Evaporation
🗑
|
||||
| when a solid changes directly into a gas, absorbs energy | sublimation
🗑
|
||||
| When a liquid turns into a gas below the surface, absorbs energy | boiling
🗑
|
||||
| gas turns into a solid, releases energy | deposition
🗑
|
||||
| The ability of a substance to combine chemically with other substances | reactivity
🗑
|
||||
| The ability of a substance to combine chemically with other substances | melting point
🗑
|
||||
| The temperature at which a liquid becomes a gas below the surface | boiling point
🗑
|
||||
| what is the boiling point of water? | 100 degrees C
🗑
|
||||
| What is the freezing point of water? | 0 degrees C
🗑
|
||||
| process of burning | combustion
🗑
|
||||
| Process of separating liquids based on their different boiling points | distillation
🗑
|
||||
| Using a screen or paper to separate a liquid from suspended solids | filtering
🗑
|
||||
| Act of forming crystals (solid with rigid structure and repeating patterns) | crystallization
🗑
|
||||
| mass / volume | density
🗑
|
||||
| density of water | g/ml or g/cm3
🗑
|
||||
| ml = ? | cm3
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
mrsrutschilling
Popular Chemistry sets