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Three elements are in the same row of the periodic table. Element 1 has a boiling point of 1135˚F. Element 2 has a boiling point of ˗ 244.1˚F. Element 3 has a boiling point of 5275˚F. Compare the boiling points of each of the elements. Use the trends from the activity to describe their relative locations to each other on the periodic table.

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Period, 4, Boiling point, 2913°C, 5275°F, 3186 K ; Block, d, Density (g cm−3), 8.90 ; Atomic number, 28, Relative atomic mass, 58.693.

Element Uranium (U), Group 20, Atomic Number 92, f-block, Mass 238.029. Sources, facts, uses ... Group, Actinides, Melting point, 1135°C, 2075°F, 1408 K.

krypton ; atomic weight, 83.798 ; melting point, −157.4 °C (−251.3 °F) ; boiling point, −153.4 °C (−244.1 °F) ; density (1 atm, 0 °C [32 °F]), 3.733 g/litre

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