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Marysya12 [62]
3 years ago
5

Simple question. How many groups and how many periods are on the periodic table? Which directions do they go?

Chemistry
2 answers:
stepan [7]3 years ago
5 0
There is 18 groups in the periodic table..  periodic tables go from left to right. hope that helped
zhuklara [117]3 years ago
5 0
Hey there,
There are 18 groups also known as vertical columns in a periodic table. Groups are vertical and Columns are horizontal

Hope this helps ^_^

~Top
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