Elements, Compunds and Mixtures
The Periodic Table
Symbol for
Category and Periods
100

Al , Cu , N , O , are all symbols for ___

What is an element

100
What is arranged on the periodic table?
Elements
100

Ga is the symbol for...

What is Gallium

100

What element is in group 4, period 3. 

What is Hf...

200
When two or more substances are mixed but not chemically combined, they form a
What is a mixture
200
Na is the ____________ ______________ for sodium.
What is a chemical symbol.
200

Pb is the symbol for..

What is lead?

200

What is in group 14, period 2. 

What is Si..

300
Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is–
contains 1 carbon atom and two oxygen atom.
300
The number shown on the top part of each of the element squares in a periodic table is the
the atomic number
300

Fe is the symbol for..

What is iron?

300

What is in group 18, period 5.

What is Xe?

400
How many elements are in the compound Fe2O3?
2 elements
400
The vertical rows are called ____________ and the horizontal groups are called _____________.
What are groups and periods.
400
Mg is the symbol for...

Magnesium

400

What is in group 1 period 4..

What is K?
M
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