States of Matter
Energy
Comp. and Element
Mixtures
Potpourri
100
This is the state of matter in which atoms and molecules are close together but can slide past each other.
What is liquid?
100
The temperature of an object
What is the average kinetic energy?
100
A pure substance made of two or more elements that are chemically combined
What is a compound?
100
A spoonful of salt mixed in a glass of water, the water is
What is a solvent?
100
Trail Mix, oil and vinegar, and vegetable soup are examples of this
What is heterogeneous mixture?
200
It has no definite volume
What is gas?
200
A change in which energy is gained by a substance as it changes state
What is endothermic?
200
A pure substance that cannot be separated into simpler substances by physical or chemical means
What is an element?
200
A solid solution of a metal dissolved in a metal
What is an alloy?
200
Elements that conduct heat and electricity poorly and can be a solid, liquid or gas
What are nonmetals?
300
It may be either crystalline or amorphous
What is a solid?
300
An increase in the size of a substance in response to an increase in the substance's temperature
What is thermal expansion?
300
Elements that have properties of both metals and nonmetals
What is metalloids?
300
A machine that separates mixtures by the densities of the components
What is a centrifuge?
300
Amount of a substance in a given quantity of a mixture or solution
What is concentration?
400
The particles in this state of matter vibrate in place
What is a solid?
400
The temperature where molecular energy is at a minimum
What is absolute zero?
400
A compound can be broken down by
What is a chemical reaction?
400
A mixture consisting of tiny particles that are intermediate in size between those in solutions and those in suspensions
What is colloid?
400
Elements join in a specific mass ________________ to form a compound
What is a ratio?
500
the process where a solid changes directly to a gas
What is sublimation?
500
The change in which energy is removed from the substance as it changes state
What is exothermic?
500
A sample of matter, either a single element or a single compound, that has definite chemical and physical properties
What is a pure substance?
500
Process that separates a mixture based on the boiling points of the components
What is distillation?
500
Particles of two or more substances that are distributed evenly among each other form a _________________
What is a solution?
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