Periodic Table
Mixtures
Compounds
Solutions
Random
100
One or two letters that stand for the name of an element?
What is chemical symbol?
100
the cornstarch and the water are an example of this
What is a mixture?
100
Chemical formula
What is a group of symbols that shows the elements in a compound?
100
A mixture in which the different particles of matter are spread evenly throughout
What is a solution?
100
Atom
What is the smallest unit of an element?
200
Physical properties
What are characteristics that can be measured or detected by the senses?
200
The original qualities of the cornstarch and water ______ after we mixed them together.
What is 'kept their original qualities'?
200
H2O2
What is a common compound known as hydrogen peroxide? 2 parts hydrogen, 2 parts oxygen
200
The material that is present in the greater amount
What is solvent?
200
A solution of two or more metals with properties of its own
What is an alloy?
300
Element
What is a compound that cannot be broken down by simple means into any other substance?
300
Original properties
What do substances in a mixture keep?
300
lose their original properties
What happens to elements when they join in a compound?
300
The material present in the smaller amount
What is solute?
300
Steel, sterling silver, stainless steel, brass, bronze
What are examples of common alloys?
400
Compound
What is a substance made up of two or more elements that are chemically combined?
400
Seperate into original ingredients
What can you do with a mixture but not a compound?
400
Molecules
What do the linked atoms in compounds form?
400
Stirring a mixture and higher temperature _______ up the rate at which things dissolve.
What is speed?
400
The chemical formula CO2 is also known as _______.
What is carbon dioxide?
500
Dmitri Mendeleev
Who developed the periodic table of elements?
500
Sifting, dividing
What are ways you can seperate mixtures?
500
Subscript
What is a number written to the right of and below a symbol in a chemical formula?
500
A solution of two metals, tin and copper
What is bronze?
500
A material that has the same makeup and properties wherever it may be found
What is a substance?
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