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Matter
Chemical Formulas
Chemical symbols
Metals
Periodic Table
100
In this type of mixture, substances can be visibly distinguished.
What is a heterogeneous mixture.
100
H2O is a chemical formula for a compound.
What is water?
100
This is the chemical symbol for oxygen.
What is O?
100
This is a property of metals that allows them to be pulled into wire.
What is ductile?
100
These are the horizontal rows on the periodic table.
What are periods.
200
This type of matter cannot be changed into a simpler substance.
What is an element?
200
The 2 in the chemical formula 2NaCl is known as the __________.
What is a coefficient?
200
Na is a chemical symbol for this element.
What is sodium?
200
This is a property of metals that allows them to be hammered or rolled thin.
What is malleable?
200
These are the vertical columns on the periodic tables.
What is a family or group?
300
In this type of mixture the substances are evenly mixed and are cannot be easily distinguished.
What is a homogeneous mixture?
300
This number is located at the lower right of an element.
What is a subcript?
300
H is the chemical symbol for this element.
What is hydrogen?
300
This property of metal allows it to shine.
What is luster?
300
This is the number at the top of the box that tells how many protons are in the atom.
What is the atomic number?
400
This is a substance composed of two or more types of elements that are chemically combined.
What is a compound?
400
In the chemical formula 4NaCl there are a total of this many atoms.
What is 8?
400
This is the chemical symbol for chlorine.
What is Cl?
400
Metals easily transfer heat and electricity. This property is known as _____________.
What is conductivity?
400
These elements are located left of the zigzag line.
What are metals?
500
These are particles of matter are too small to be seen without the use of a microscope.
What are atoms?
500
H2 + O -------> H2O is an example of this type of chemical reaction.
What is synthesis?
500
This is the chemical symbol for carbon.
What is C?
500
This metal is the only metal that stays liquid at room temperature.
What is mercury?
500
These are located to the right side of the zigzag line.
What are nonmetals?