
doi: 10.1038/167954b0
IF each period in the periodic system ends in a rare gas (H,He 1st period, Li—Ne 2nd, etc.), then the number of elements in a period can be found from the ordinal number of the period by the following formula: where n is the number of the period and L is the number of elements in the period.
| selected citations These citations are derived from selected sources. This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 7 | |
| popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Average | |
| influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Top 10% | |
| impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Average |
