Information on the individual elements of, and the groups in which they appear on, the periodic table in the context of the study of chemistry.
The alkali earth metals are the elements in group 2 of the periodic table, that is: beryllium, magnesium, calcium, strontium, barium and radium.
The alkali metals are the elements in group 1 of the periodic table excluding hydrogen, that is: lithium, sodium, potassium, rubidium, caesium, and francium.
The halogens are the elements in group 17 of the periodic table, that is: fluorine, chlorine, bromine, iodine, and astatine.
The Lanthanides are the 14 rare earth chemical elements which lie between lanthanum and ytterbium on the periodic table. All lanthanides are metals.
Mercury, also known as "Quick Silver," is the 80th element on the Periodic Table. It is a transition metal, and is the only metal that is in liquid form at room temperature. Although it has many practical purposes, it is very toxic and must be used with extreme caution.
Metalloids are elements in the periodic table that have properties intermediate between those of metals and nonmetals. They are usually semiconductors.
The noble gases are the elements in group 18 of the periodic table, that is: helium, neon, argon, krypton, xenon and radon.
Welcome to the home of NonmetalS! Nonmetal elements possess high ionization energies and have high electronegativities. They tend to gain electrons when in combination with metals, or to share electrons when in combination with other elements. They tend to be brittle in the solid phase, to have low thermal and electrical conductivities, and to lack metallic luster. Here you can find information about the chemical and physical properties of nonmetals!
Plutonium is one of the most dangerous yet useful elements in existence. It is the 94th element on the Periodic Table, and was discovered in 1941 and is now used in nuclear plants and even in nuclear explosives. Use this category to find information about plutonium as well about its hazards.
Transactinides are elements in the periodic table with atomic numbers > 104.
Element 114
Welcome to Uranium, one of the most desired elements by third-world nations! Uranium is #92 on the Periodic Tables, and is used in producing energy as well as nuclear bombs.
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