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Showing posts with the label Alkali metals/Alcalinos

Lithium - The Periodic Table part 6

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Elemental symbol: Li Atomic number: 3 Group: Alkali Metals Stable Isotopes: 7 Li (common lithium), 6 Li Some Radioactive Isotopes: 3 Li, 4 Li, 5 Li, 8 Li, 9 Li, 10 Li Some Allotropes: N/A Melting point: 453.65K, 180.50°C, or 356.90°F Boiling point: 1615K, 1342°C, or 2448°F State at room temperature (20°C/68°F): Solid Density: 0.534 g/cm 3 Common compounds: Lithium-Aluminum alloy (LiAl), lithium bromide (LiBr), lithium carbonate (Li 2 CO 3 ), lithium stearate (LiO 2 C(CH 2 ) 16 CH 3 ) and many more... Discovered by: Johan August Arfvedson in 1817 Lithium is a silvery, soft and light metal. So light in fact, it floats on water. While it floats on the water, it will react with the water, releasing hydrogen steadily. Lithium is also overall a more reactive element. Even though it reacts with water readily, lithium is used in multiple consumer products. Lithium-ion batteries fit a lot of energy into a light and small battery. Lithium stearate (LiO 2 C(CH 2 ) 16 CH 3 ...

Hydrogen - The Periodic Table part 4

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Elemental symbol: H Atomic number: 1 Group: Alkali metals, halogens, or it’s own group.  Stable Isotopes: Protium/ 1 H (normal hydrogen), Deuterium/Heavy Hydrogen/ 2 H Some Radioactive Isotopes: Tritium/ 3 H (half-life: 12.5 years) Some Allotropes: Dihydrogen Melting point: 13.99 K, -259.16°C, or -434.49°F Boiling point: 20.271 K, -252.879°C, or -423.182°F State at room temperature (20°C/68°F): Gas Density: 0.000082 g/cm 3 (grams per cubic centimeter) Common compounds: water (H 2 O), sucrose/table sugar (C 12 H 22 O 11 ), ammonia (NH 3 ), methane (CH 4 ) and many more… Discovered by: Henry Cavendish in 1766 Hydrogen is the most abundant element in the universe, making up for about 75% of the universe by weight. Hydrogen is also a major part of your existence. While hydrogen helps make up many compounds that make up you, the Sun can only function with hydrogen. The Sun, along with other stars, fuse hydrogen together to make helium (He) during their main sequ...