Periodic Table

What is a period? How many periods are there?
horizontal rows of the periodic table
7 periods
Do the properties within a period change?
What is a group?
verticals of the periodic table
What do the elements in each group have in common?
similar chemical and physical properties
What are the group A elements known as?
representative elements
What are the characteristics of the metals? Where are they located?
lustrous, conductive, malleable
right of staircase
What are the characteristics of the nonmetals? Where are they located?
dull, insulator, brittle
left of periodic table
What are the characteristics of the metalloids? Where are the located?
semi-conductor, in between
touching staircase
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