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Terms in this set (59)
Anything that has mass or takes up space.
The study of matter and how matter changes.
A kind of matter that is purely composed of one thing.
A characteristic of a substance that can be observed without changing it.
A characteristic of a substance that describes its ability to morph into another substance. (such as flammability)
A substance that cannot be broken down any further by chemical or physical means.
A basic particle from which all elements are made.
A force of attraction between two atoms formed when they combine.
A group of two or more atoms held together by chemical bonds.
A substance made of two or more elements chemically in a set ratio.
A string of letters and numbers that shows the elements of a compound and their ratios.
Two or more substances put in the same place without having them chemically bond.
Heterogeneous and Homogeneous mixtures
For Hetero, you can see individual ingredients of the mixture and they can be easily separated. For Homo, you cannot easily see or separate the individual ingredients of the mixture.
Distillation, evaporation, filtration, magnetic attraction
Ways to separate a mixture into its parts.
A change that alters the form or appearance of matter but does not turn any substance in the matter into a different substance.
When a substance turns into another substance or a change in matter that produces one or more new substances.
Law of Conservation of mass
The fact that matter is not created or destroyed during a physical or chemical change.
A measure of how hot or cold something is. It is related to the energy of motion of the particles of matter.
The total energy of the motion of all the particles in an object.
A change in which energy is absorbed.
A change that releases energy.
The energy stored in the chemical bonds between atoms.
Law of Conservation of Mass
The fact that matter is not created or destroyed during any physical or chemical change.
The state of matter when it has a definite shape and volume.
A solid in which the particles form a rigid and constant repeating pattern and melts at a distinct temperature.
A solid in which the particles have no constant repeating pattern or distinct melting temperature.
A state of matter that has a definite volume but indefinite shape.
A substance that flows. (liquids)
An inward pull among molecules in a liquid that brings those on the surface closer together.
A liquid's resistance to flowing.
A state of matter with an indefinite shape and volume.
The force of a gas's outward push divided by the area of the walls of its container.
At a liquid's freezing point, its particles move so slowly that they take fixed positions.
When the particles in a liquid gain enough energy to move independently.
Vaporization that takes place on the surface of a liquid.
Boiling and Boiling Point
Vaporization that takes place throughout the entire liquid; the temperature at which a liquid boils.
When particles in a gas lose enough thermal energy to become liquid.
When surface particles of a solid gain enough energy to become a gas without first becoming a liquid.
When the temperature of a gas at constant pressure is increased, its volume increases and vice versa.
When the pressure of a gas at constant temperature is increased, the volume of the gas decreases and vice versa.
A substance that undergoes a chemical change.
The new substances formed as a result of a chemical change
A solid that forms from liquids during a chemical reaction/change.
A chemical reaction during which more energy is released than drawn in. (Stove: produces heat energy when natural gas burns.)
A chemical reaction during which more energy is drawn in than released. (Baking Soda, when combined with Vinegar, makes the area feel cold because it absorbs heat energy.)
A way to show a chemical reaction using symbols instead of words. You make them when you balance formulas.
In a chemical reaction
all items present at the beginning are present at the end, just rearranged.
When matter can freely enter or escape the surroundings. This helps explain the principle that matter is neither created nor destroyed during a chemical reaction. For instance, when you light a match of fire, oxygen comes into the reaction from the surrounding air.
Matter neither enters or leaves during the reaction. For instance, a chemical reaction that occurs inside an air-tight container is a closed system.
Number placed in front of a chemical formula in an equation to show the number of atoms.
When two or more elements or compounds combine to make a more complex substance. One of the three types of Chemical Reactions.
When compounds break down into simpler products. One of the three types of Chemical Reactions.
When one element replaces another in a compound, or if two trade places. One of the three types of Chemical Reactions.
The minimum amount of energy needed to start a chemical reaction. All chemical reactions need a certain amount of activation energy.
The amount of a substance in a given volume.
Something that increases the reaction rate by lowering the activation energy needed.
Biological catalysts found in your body that help reactions occur at body temperature.
A material used to decrease the rate of a chemical activation by increasing the activation energy needed.
Lyrics to the Camelot Song from Monty Python and the Holy Grail
We're Knights of the Round Table.
We dance whene'er we're able.
We do routines and chorus scenes
With footwork impeccable.
We dine well here in Camelot.
We eat ham and jam and spam a lot.
We're Knights of the Round Table.
Our shows are formidable,
But many times we're given rhymes
That are quite unsingable.
We're opera mad in Camelot.
We sing from the diaphragm a lot.
In war we're tough and able,
Between our quests we sequin vests and impersonate Clark Gable.
It's a busy life in Camelot.
I have to push the pram a lot.
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