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The experiments relied on the expectation that rutherfordium would be a 6d element in group 4 and should therefore form a volatile molecular tetrachloride, that would be tetrahedral in shape. [72] [79] [80] Rutherfordium(IV) chloride is more volatile than its lighter homologue hafnium(IV) chloride (HfCl 4) because its bonds are more covalent. [2]
Group 4 is the second group of transition metals in the periodic table. It contains only the four elements titanium (Ti), zirconium (Zr), hafnium (Hf), and rutherfordium (Rf). The group is also called the titanium group or titanium family after its lightest member.
The developers of a proposed $12 billion Hudson Yards casino complex promised to invest 1% of its gross revenues into community programs in the face of fierce local opposition.. The Wynn NYC ...
TodayTix is a digital ticketing platform for theatrical and cultural events. Founded by two Broadway producers, TodayTix's free mobile apps for iOS and Android provide access to theater shows in New York City, London, the San Francisco Bay Area, Los Angeles, Washington DC, Chicago, Sydney, Melbourne, and Brisbane.
The owner of the New York City apartment that serves as the exterior for Carrie Bradshaw's home on Sex and the City and sequel series And Just Like That achieved a major victory against tourists ...
It is more pronounced than the lanthanide contraction because the 5f electrons are less effective at shielding than 4f electrons. [1] It is caused by the poor shielding effect of nuclear charge by the 5f electrons along with the expected periodic trend of increasing electronegativity and nuclear charge on moving from left to right.
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Group 3 is the first group of transition metals in the periodic table. This group is closely related to the rare-earth elements. It contains the four elements scandium (Sc), yttrium (Y), lutetium (Lu), and lawrencium (Lr). The group is also called the scandium group or scandium family after its lightest member.