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Deducing the block of an element from an electron configuration

Deducing the block of an element from an electron configuration

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Deducing the block of an element from an electron configuration Problem: If an atom has a partially-filled p or f subshell outside the noble-gas core, the corresponding element lies in the p or f block, respectively Atoms with partially filled s subshells correspond to elements in the s block if they have no d electrons outside the noble-gas core Atoms with partially filled d subshells correspond to elements in the d block if they have no f electrons outside the n.g. core, or a completely filled f subshell If the atom has no partially filled subshells outside the ng core, the last filled subshell
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Unformatted text preview: tells you the block in which the element lies • Keep in mind that if the atom has s and d electrons (or s, d, and f electrons) outside the ng core, the d subshell is the last to be filled d and f block are metals. All s block except for H and He are metals. All p block with five or six p electrons (groups 7A and 8A) are nonmetals. All p block elements with only one p electron (group 3A) are metals or metalloids. The remaining groups of p block contain metals, nonmetals, and metalloids....
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