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Home > Period 1 element


A period 1 element is one of the chemical elements in the first row (or period) of the periodic table of the elements.

These are:

Chemical elements in the first period
Group 1 2 3 4 5 6 7 8 9 10 11 12Group 6 Period 4 30 Zn 5 48 Cd 6 80 Hg 7 112 Uub The Group 12 elements are: Zinc (30) Cadmium (48) Mercury (80) Ununbium (112) Key to color coding in table slice on right: Transition metals Color coding for these atomic numbers: At room temperature, all a 13The Boron group is periodic table group 13 ( IUPAC style) in the periodic table. It consists of: boron aluminium gallium indium thallium ununtrium (unconfirmed) Chemical element groups. 14The carbon group is group 14 ( IUPAC style) in the periodic table. The group consists of: carbon silicon germanium tin lead ununquadium Chemical element groups. 15 16The chalcogens are the name for the periodic table group 16 (old-style: VIB or VIA) in the periodic table. It consists of the elements oxygen (O), sulfur (S), selenium (Se), tellurium (Te), the radioactive polonium (Po), and the synthetic ununhexium (Uuh) 17The halogens are a chemical series. They are the elements in Group 17 (old-style: VII or VIIA) of the periodic table: fluorine, chlorine, bromine, iodine, and astatine. The word comes from Greek roots meaning "salt" and "creator". These elements are diato 18The noble gases are a chemical series. They are the elements in group 18 (old-style Group 0) of the periodic table; specifically helium, neon, argon, krypton, xenon and radon. The term noble gas comes from the fact that, just like the common view of human
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Name
1
Hhydrogen helium H Li Full table General Name, Symbol, NumberHydrogen, H, 1 Chemical series nonmetals Group, Period, Block 1 (IA), 1 , s Density, Hardness 0. 0899 kg/m3, NA Appearance colorless Atomic properties Atomic weight 1. 00794 amu Atomic radius (ca
2
He
e--conf.
Alkali metals Alkaline earths Lanthanide Actinides Transition metals
Poor metals Metalloids Nonmetals Halogens Noble gases

Period 1 element -

Period 2 element - Period 3 element - Period 4 element - Period 5 element - Period 6 element - Period 7 element - Period 8 element





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