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Atomic number 109 Sym.Mt
It is an extremely radioactive synthetic element

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Atomic number 33 Sym.AS
Arsenic is a metalloid

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Atomic number 32 Sym.Ge
It is a lustrous, hard, grayish-white metalloid in the carbon group, chemically similar to its group neighbors tin and silicon.

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Atomic number 56 Sym.Ba
barium is never found in nature as a free element.

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Atomic number 53 Sym.I
The heaviest of the stable halogens,

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Atomic number 86 Sym.Rn
It is a radioactive, colorless, odorless, tasteless noble gas.

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Atomic number 80 Sym.Hg
It is commonly known as quicksilver and was formerly named hydrargyrum

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Atomic number 92 Sym.U
A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons.

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Atomic number 82 Sym.Pb

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Atomic number 79 Sym.Au
Chemically, gold is a transition metal and a group 11 element

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Atomic number 54 Sym.Xe

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Atomic Number 36 Sym.Kr
Superman's weakness

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Atomic number 58 Sym.Ce

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Atomic number 47 Sym.Ag
Its symbol is Ag, from the Latin argentum, derived from the Greek ὰργὀς, and ultimately from a Proto-Indo-European language root reconstructed as *h₂erǵ-, "grey" or "shining".

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Atomic number 27 Sym.CO
Like nickel, cobalt is found in the Earth's crust only in chemically combined form, save for small deposits found in alloys of natural meteoric iron.

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Atomic Number 16 Sym.S
Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula S₈.

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Atomic Number 18 Sym.Ar
Argon is the third-most abundant gas in the Earth's atmosphere, at 0.934%

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Atomic Number 13 Sym.Al
It is a silvery-white, soft, nonmagnetic, ductile metal.

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Atomic number 11 Sym.11
It is a soft, silvery-white, highly reactive metal.

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Atomic number 10 Sym.NE
Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air.

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Atomic number 50 Sym.Sn
It is obtained chiefly from the mineral cassiterite, which contains tin dioxide, SnO₂

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Atomic number 30 Sym.ZN
It is the first element in group 12 of the periodic table.

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Atomic Number:26 Sym.Fe
It is a metal in the first transition series

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Atomic number 29 Sym.C
It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity.

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Atomic number 6 Sym.C
It is nonmetallic and tetravalent

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Atomic number 8 Sym.O
It is a member of the chalcogen group on the periodic table

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Atomic Number 4 Symbol:Be
It is a relatively rare element in the universe

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Atomic Number:3 Symbol:Li
t is a soft, silver-white metal belonging to the alkali metal group of chemical elements.

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Symbol:H Atomic number:2
It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas

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Symbol:H Atomic number:1
With a standard atomic weight of circa 1.008, hydrogen is the lightest element on the periodic table