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Can I know more about the newly invented g block and the VIII period ?

Asked by 18th November 2012, 4:41 PM
Answered by Expert

Any additional periods are expected to contain a larger number of elements than the seventh period, as they are calculated to have an additional so-called g-block, containing 18 elements with partially filled g-orbitals in each period. An eight-period table containing this block was suggested in 1969.

So far no element has been synthesised naturally in this region. As of April 2011, synthesis has been attempted for only ununennium, unbinilium, unbibium, unbiquadium, unbihexium, and unbiseptium. (Z = 119, 120, 122, 124, 126, and 127)
Answered by Expert 19th November 2012, 12:58 PM
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