University:
San Jose State University
Course:
CHEM 1A | General Chemistry
Academic year:

2022
Views:

178

Pages:

1
Author:

netlinezt3

Inorganic Chemistry (Fact File) Strongest Oxoacid → Perchloric acid (HClO₄) Quartz made up of → Silica (SiO₂) Most Abundant Element in Universe → Hydrogen (74%) Element shows Highest Oxidation State → Manganese (Stable) Indian Salt Peter → Potassium Nitrate (KNO₃) Most Common Solvent to Dissolve Noble Metals → Aqua regia (3HCl: HNO₃) Element gives Violet Flame Test → Potassium (K) Most Reactive Non-metal → Phosphorus (P) Heaviest Naturally Occurring Element → Uranium (U) Coin Metal Made of → Cu (87%) Zn (3%) Sn (10%) Lightest Element → Hydrogen (It catches fire) Rarest Element → Francium Element has the Highest Density → Osmium (Due to poor shielding) Most Abundant Element → Oxygen Oldest Element on Earth → Astatine (Extremely unstable metal) Most Abundant Metal on Earth → Aluminium (Catalyst for SiO₂) Best Conductor of Electricity → Silver Non-metal Exists as Liquid at Room Temperature → Bromine Least Reactive Element → Platinum Second Most Abundant → Silicon Non-metallic Element Sublime on Heating → Iodine (I) Non-metal Element Shows Highest No. of Allotropes → Phosphorus Allotrope of Element Shows Poor Electrical Conductivity → Carbon Lightest Metal → Lithium Element Shows Largest No. of Stable Isotopes → Tin (Sn) Most Poisonous Metal → Plutonium (Pu) Metal Shows Highest Tensile Strength → Tungsten (W) Non-metal Element Shows Highest Density → Iodine (I) Second Hardest Substance in Elements → Boron Nitride (BN₃) Element Highest in Human Body → Oxygen (O) In form of H₂O, O₂ & fat.