Elements, Compounds, and Mixtures
Terms in this set (21)
Why can salt dissolve in water?
Salt is soluble.
What is a compound?
A pure substance forms when two elements chemically combine.
What is concentration?
When particles in substances separate and spread evenly.
How can a compound be broken down?
By chemical changes
What is an element?
A pure substance that can't be separated into simpler substances by physical or chemical changes.
What is a pure substance?
A substance in which there is only one type of particle.
What is an example of chemical property?
Reactivity with Acid
What is a true statement about particles in solutions and colloids?
Particles can't be filtered.
What is true about compounds?
They contain two or more elements, have their own physical properties, and don not form randomly.
Gelatin is an example of a(n)?
Nugget of gold is an example of a(n)?
Water is an example of a(n)?
Salt dissolved in water is an example of a(n)?
What is an alloy?
A solid solution of metals or nonmetals dissolved in metals.
What is suspension?
A mixture of large, dispersed particles.
What is a solvent?
A substance in which a solute dissolves.
What is a metalloid?
An element that shares metal and nonmetal properties.
How can a mixture of liquids be separated?
What does bacteria use to make compounds from the air?
What are poor conductors of heat and electric current?
To form a compound, elements join in a specific mass?
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