write 100 types of elements according to their reactivity series
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- Ion Reactivity Extraction
- Caesium Cs Cs+ reacts with cold water electrolysis
- Francium Fr Fr+
- Rubidium Rb Rb+
- Potassium K K+
- Sodium Na Na+
- Lithium Li Li+
- Barium Ba Ba2+
- Radium Ra Ra2+
- Strontium Sr Sr2+
- Calcium Ca Ca2+
- Magnesium Mg Mg2+ reacts very slowly with cold water, but rapidlyin boiling water, and very vigorously with acids
- Beryllium Be Be2+ reacts with acids and steam
- Aluminium Al Al3+
- Titanium Ti Ti4+ reacts with concentrated mineral acids pyrometallurgical extraction using magnesium, or less commonly other alkali metals, hydrogen or calcium in the Kroll process
- Manganese Mn Mn2+ reacts with acids; very poor reaction with steam smelting with coke
- Zinc Zn Zn2+
- Chromium Cr Cr3+ aluminothermic reaction
- Iron Fe Fe2+ smelting with coke
- Cadmium Cd Cd2+
- Cobalt Co Co2+
- Nickel Ni Ni2+
- Tin Sn Sn2+
- Lead Pb Pb2+
- Antimony Sb Sb3+ may react with some strong oxidizing acids heat or physical extraction
- Bismuth Bi Bi3+
- Copper Cu Cu2+ reacts slowly with air
- Tungsten W W3+ may react with some strong oxidizing acids
- Mercury Hg Hg2+
- Silver Ag Ag+
- Gold Au Au3+[5][6]
- Platinum Pt Pt4+
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