on what bases element has placed within same group and same period
kritiss2003:
due their properties
I think
is it??!!!
yes is it
Answers
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15
Answer:
A period is a horizontal row of the periodic table. A group is a vertical row of the periodic table.
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0
Answer:
The elements in 1A are all very reactive and form compounds in the same ratios with similar properties with other elements. Because of their similarities in their chemical properties, Mendeleev put these elements into the same group. Group 1A is also known as the alkali metals.
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