Elements of period 5
A element of the period 5 is one of the elements chemical S of the fifth rank (or period ) of the periodic Tableau of the elements.
Average mnemotechnics
- “ R o' b' in S u' r' Y vette has Z èb' r' E NR o' b' of Mo nsior T u' it Ru . R o' h' year P ru' of emment Ag E C E D has In évitablement S a' S S u' b' ir Te S I dées Xe nophobes. ”
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