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Please help asap!! How many groups did Mendeleev's original Periodic Table of Elements have? A) 18 B) 5 C) 13 D) 8
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Please help asap!! How many groups did Mendeleev's original Periodic Table of Elements have?

A) 18

B) 5

C) 13

D) 8

User Maarten Bodewes
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1 Answer

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The columns, called groups, contain elements with similar chemical behaviours. Six groups have accepted names as well as assigned numbers: for example, group 17 elements are the halogens; and group 18 are the noble gases.




Hope this helps :)
User Divya
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