Which Block Does Helium Belong to?
Helium Is an S-Block Element, with Its Outer (And Only) Electrons in the 1S Atomic Orbital, Although Its Chemical Properties Are More Similar to the P-Block...
Helium is an s-block element, with its outer (and only) electrons in the 1s atomic orbital, although its chemical properties are more similar to the p-block noble gases in group 18 due to its full shell.
Does helium belong to p-block?
p-block. The p-block is on the right side of the standard periodic table and encompasses elements in groups 13 to 18. ... Helium, though being the first element in group 18, is not included in the p-block.
Why is helium in the p-block?
Helium is gas like other inert gases unlike solid s block metals. Helium is non- metal while s block contains only metals. Helium is much less reactive like other inert gases unlike s block metals which are most reactive. ... For all such reasons Helium is placed in inert gases group which lies in p block.
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