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2. Extended periodic table - Wikipedia

   en.wikipedia.org/wiki/Extended_periodic_table

   Jens Volker Kratz predicted the actual maximum cross-section for producing element 120 by any of these reactions to be around 0.1 fb; [52] in comparison, the world record for the smallest cross section of a successful reaction was 30 fb for the reaction 209 Bi(70 Zn,n) 278 Nh, [28] and Kratz predicted a maximum cross-section of 20 fb for ...

3. Block (periodic table) - Wikipedia

   en.wikipedia.org/wiki/Block_(periodic_table)

   Each block is named after its characteristic orbital: s-block, p-block, d-block, f-block and g-block. The block names (s, p, d, and f) are derived from the spectroscopic notation for the value of an electron's azimuthal quantum number: sharp (0), principal (1), diffuse (2), and fundamental (3). Succeeding notations proceed in alphabetical order ...

4. Döbereiner's triads - Wikipedia

   en.wikipedia.org/wiki/Döbereiner's_triads

   By 1829, Döbereiner had found other groups of three elements (hence "triads") whose physical properties were similarly related. [2] He also noted that some quantifiable properties of elements (e.g. atomic weight and density) in a triad followed a trend whereby the value of the middle element in the triad would be exactly or nearly predicted by taking the arithmetic mean of values for that ...

5. Mendeleev's predicted elements - Wikipedia

   en.wikipedia.org/wiki/Mendeleev's_predicted_elements

   To give provisional names to his predicted elements, Dmitri Mendeleev used the prefixes eka- / ˈ iː k ə-/, [note 1] dvi- or dwi-, and tri-, from the Sanskrit names of digits 1, 2, and 3, [3] depending upon whether the predicted element was one, two, or three places down from the known element of the same group in his table.

6. Winners of This Week's 'Rock the Block' Are Causing a Major ...

   www.aol.com/winners-weeks-rock-block-causing...

   Rock the Block is back on HGTV, and all of the returning contestants are looking for redemption. Season 5 got out to a hot start in Treasure Island, Florida, with the four teams taking on one of ...

7. Periodic table - Wikipedia

   en.wikipedia.org/wiki/Periodic_table

   The form with the f-block included in the main body is sometimes called the 32-column [6] or long form; [33] the form with the f-block cut out the 18-column [6] or medium-long form. [33] The 32-column form has the advantage of showing all elements in their correct sequence, but it has the disadvantage of requiring more space. [ 34 ]

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   AOL latest headlines, entertainment, sports, articles for business, health and world news.

9. Gallium - Wikipedia

   en.wikipedia.org/wiki/Gallium

   Comparison between Mendeleev's 1871 predictions and the known properties of gallium [17]: 217 Property Mendeleev's predictions Actual properties Atomic weight ~68 69.723 Density 5.9 g/cm 3: 5.904 g/cm 3: Melting point Low 29.767 °C Formula of oxide M 2 O 3: Ga 2 O 3: Density of oxide 5.5 g/cm 3: 5.88 g/cm 3: Nature of hydroxide amphoteric ...