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**1. Reactivity Series of Metals
- Formulae of Some Common** Ions
Positive ions
Name
Hydrogen Sodium Silver Potassium Lithium Ammonium Barium Calcium Copper(II) Magnesium Zinc Lead Iron(II) Iron(III) Aluminium
H +
Na + Ag + K + Li + NH 4 + Ba 2+ Ca 2+ Cu 2+ Mg 2+ Zn 2+ Pb 2+ Fe 2+ Fe 3+ Al 3+
Chloride Bromide Fluoride Iodide Hydroxide Nitrate Oxide Sulfide Sulfate Carbonate
Cl โ Br โ F โ I โ OH โ NO 3 โ O 2โ S 2โ SO 4 2โ CO 3 2โ
Formula
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Name Formula
Negative ions
Potassium Sodium Calcium Magnesium Aluminium Carbon Zinc Iron Tin Lead Hydrogen Copper Silver Gold Platinum
(elements in italics, though non-metals, have been included for comparison)
most reactive
least reactive
Chemistry Data Sheet
(^7) Li lithium (^323) Na sodium 1139 K 19 potassium
(^85) Rb rubidium (^37133) Cs caesium (^55) [223] Fr 87
- The Lanthanides (atomic numbers 58 โ 71) and the Actinides (atomic numbers 90 โ 103) have been omitted.Relative atomic masses for
Cu
and
Cl
have not been rounded to the nearest whole number.
francium
Be
Key
beryllium
atomic symbol relative atomic massatomic (proton) number
name
(^24) Mg 12 magnesium
(^40) Ca calcium 2088^ Sr strontium (^38137) Ba barium (^56) [226] Ra radium 88
(^45) Sc 21 scandium
89^ Y yttrium (^39139) La* 57 lanthanum [227]^ Ac* actinium^89
48^ Ti 22 titanium^91^ Zr zirconium^40178^ Hf hafnium^72 [261]^ Rf rutherfordium^104
51^ V 23
vanadium
(^93) Nb niobium 41181 Ta tantalum (^73) [262] Db dubnium 105
52 Cr 24 chromium
(^96) Mo 42 molybdenum
184^ W^74
tungsten^ [266]^ Sg seaborgium^106
(^55) Mn 25 manganese
[98]^ Tc^43 technetium
186^ Re rhenium^75 [264]^ Bh bohrium 107
1 H
hydrogen
(^156) Fe iron (^26101) Ru 44 ruthenium 190^ Os osmium^76 [277]^ Hs hassium 108
(^59) Co cobalt (^27103) Rh rhodium 45192^ Ir iridium (^77) [268] Mt 109 meitnerium
59^ Ni nickel (^28106) Pd 46 palladium 195^ Pt^78 platinum^ [271]^ Ds darmstadtium^110
63.5^ Cu copper^29108^ Ag silver^47197^ Au gold^79
65 Zn zinc (^30112) Cd 48 cadmium^201^ Hg mercury^80
11^ B boron^527 Al 13 aluminium
(^70) Ga gallium 31115^ In indium 49204^ Tl thallium 81
12^ C carbon^628^ Si silicon (^1473) Ge 32 germanium
119^ Sn tin^50207^ Pb^82
Elements with atomic numbers 112 โ 116 have been
reported but not fully authenticated
lead
14^ N^7
nitrogen
31^ P 15
phosphorus
(^75) As arsenic (^33122) Sb 51 antimony 209^ Bi bismuth^83
16^ O oxygen^832^ S sulfur 1679 Se 34 selenium 128^ Te tellurium^52 [209]^ Po^84 polonium
19^ F^9
fluorine^ 35.5^ Cl chlorine^1780^ Br bromine^35
127^ I^53
iodine [210]^ At astatine^85
Ne
0 (^4) He helium (^220) neon 1040 Ar argon 1884 Kr 36 krypton^131^ Xe xenon^54 [222]^ Rn radon^86
[272]^ Rg^111 roentgenium
3. The Periodic Table of Elements
