• 2.1: development of the periodic table • 2.2: electronic structures
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Who made the modern periodic table?
What determines an element's position on the periodic table?
What are the columns of the periodic table called?
True or False
all elements in a group have similar chemical properties
How do they react?
1) metals
2) non-metals
3) noble gases
What does an element's period (horizontal row) tell us?
