Chemical Elements 118

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Element ▲ Symbol Atomic number Chemical property Origin o the name Group Period Atomic weight (u)
Lanthanum La 57 Lan­thanide the Greek lanthanein, 'to lie hidden' 3 6 138.90547
Lawrencium Lr 103 Actinide Ernest O. Lawrence, physicist 7
Lead Pb 82 Post-​transition metal English word (plumbum in Latin) 14 6 207.2
Lithium Li 3 Alkali metal the Greek lithos, 'stone' 1 2 6.94
Livermorium Lv 116 Unknown chemical properties Lawrence Livermore National Laboratory (in Livermore, California) which collaborated with JINR on its synthesis 16 7
Lutetium Lu 71 Lan­thanide Lutetia, the Latin name for Paris 6 174.9668
Magnesium Mg 12 Alkaline earth metal Magnesia, a district of Eastern Thessaly in Greece 2 3 24.305
Manganese Mn 25 Transition metal corrupted from magnesia negra, see Magnesium 7 4 54.938044
Meitnerium Mt 109 Unknown chemical properties Lise Meitner, physicist 9 7
Mendelevium Md 101 Actinide Dmitri Mendeleev, chemist and inventor 7
Mercury Hg 80 Post-​transition metal the New Latin name mercurius, named after the Roman god (Hg from former name hydrargyrum, from Greek hydr-, 'water', and argyros, 'silver') 12 6 200.592
Molybdenum Mo 42 Transition metal the Greek molybdos meaning 'lead' 6 5 95.95
Moscovium Mc 115 Unknown chemical properties Moscow Oblast, Russia, where the element was first synthesized 15 7
Neodymium Nd 60 Lan­thanide the Greek neos didymos meaning 'new twin' 6 144.242
Neon Ne 10 Noble gas the Greek neos, meaning 'new' 18 2 20.1797
Neptunium Np 93 Actinide Neptune, the eighth planet in the Solar System 7
Nickel Ni 28 Transition metal from a mischievous sprite of German miner mythology, Nickel 10 4 58.6934
Nihonium Nh 113 Unknown chemical properties the Japanese name for Japan, Nihon, where the element was first synthesized 13 7
Niobium Nb 41 Transition metal Niobe, daughter of king Tantalus from Greek mythology 5 5 92.90637
Nitrogen N 7 Reactive nonmetal the Greek nitron and '-gen' meaning 'niter-forming' 15 2 14.007
Nobelium No 102 Actinide Alfred Nobel, chemist, engineer, inventor of dynamite 7
Oganesson Og 118 Unknown chemical properties Yuri Oganessian, physicist 18 7
Osmium Os 76 Transition metal the Greek osmè, meaning 'smell' 8 6 190.23
Oxygen O 8 Reactive nonmetal from the Greek oxy-, both 'sharp' and 'acid', and -gen, meaning 'acid-forming' 16 2 15.999
Palladium Pd 46 Transition metal the then recently discovered asteroid Pallas, considered a planet at the time 10 5 106.42