How many groups and preodic are there in the modern preodic table? How do the atomic size and matallic character of elements vary as we move: 1 down a group and 2 from left to right in priod?
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18 group s and 7 periods
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heya!!
The answer is 18 groups and 7 periods..
hope it helps!!♥
The answer is 18 groups and 7 periods..
hope it helps!!♥
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