Group 9, by modern IUPAC numbering, [1] is a group (column) of chemical elements in the d-block of the periodic table. Members of Group 9 include cobalt (Co), rhodium (Rh), iridium (Ir) and meitnerium (Mt). [2]

Group 9 is a rugby league competition based in Wagga Wagga, New South Wales, Australia, and surrounding areas. The competition is played in six grades, with these being Under 16s, Under 18s, Women's Tackle, Women's League-Tag, Reserve-Grade and First-Grade.

2025年1月22日 · Rugby league players fans across the Riverina are rejoicing and marking their calendars after Group Nine released its 2025 competition draw this morning. The fixture, which is the largest since 2019, features 10 teams following the return of Cootamundra after a six year absence, and 16 matches for all clubs across 16 rounds.

2023年6月30日 · All group 9 elements are relatively rare in the earth's crust, with the most abundant, cobalt, only accounting for 0.0029% of the Earth's crust. Rhodium and iridium are two of the rarest naturally …

Group 9 is a group of elements in the periodic table. Group 9 has cobalt (Co), rhodium (Rh), iridium (Ir) and meitnerium (Mt). Group 9 is in the transition metals section.

Group 9 Rugby League. 10,723 likes · 138 talking about this. With 11 Clubs and nearly 1200 participants Group 9 is one of the largest Groups within the Country Rugby League

View draws, results, team lists, and ladder positions.

View draws, results, team lists, and ladder positions.

In modern IUPAC nomenclature, Group 9 of the periodic table contains the elements cobalt (Co), rhodium (Rh), iridium (Ir), and meitnerium (Mt). These are all d-block transition metals. All known isotopes of Mt are radioactive with short half-lives, and it is not known to occur in nature; only minute quantities have been synthesized in laboratories.

2019年1月25日 · The contents span the synthesis, structure, and reactivity of the group 9 N 2 complexes. The vast collection of the group 9 N 2 compounds allows for interesting comparisons to be drawn and thereby provides critical insights into the underlying basis for the varying extents of N 2 activation.