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s – block
elements
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p – block
elements
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i.
In modern periodic table the groups 1 and 2 are included in s – block.
ii.
These includes alkali metals and alkaline earth metals.
iii.
They have 1 or 2 electrons in the last shell.
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i.
In modern periodic table the groups 13 to 17
and the zero group elements are included in p – block.
ii.
These includes metals, non – metals and metalloids.
iii.
They have 3 to 8 electrons in the last shell.
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s – block elements p – block elements
