important facts of liquid nitrogen

(Inert gases are indicated in blue) Element Symbol Atomic number Electronic configuration (or Electron arrangement) K L M N Hydrogen H 1 1 Helium He 2 2 Lithium Li 3 2,1 Beryllium Be 4 2,2 Boron B 5 2,3 Carbon C 6 2,4 Nitrog..

Introduction - Sodium belongs to Group I in the periodic table. This group is otherwise known as the alkali metals group. Since the atomic number of sodium is 11, its electronic configuration is 2,8,1. Sodium easily loses the lone electron to attain the stable configuration of neon. There..

Sodium belongs to Group I in the periodic table. This group is otherwise known as the alkali metals group. Since the atomic number of sodium is 11, its electronic configuration is 2,8,1. Sodium easily loses the lone electron to attain the stable configuration of neon. Therefore alka..

Acid Molecular formula Acid Molecular formula Hydrochloric acid HCL Acetic acid CH 3 COOH Nitric acid HNO 3 Carbonic acid H 2 CO 3 sulphuric acid H 2 SO 4 Sulphurous acid H 2 SO 3 phosphoric acid H 3 PO 4 Nitrous acid HNO ..

a) It makes possible propagation of plants that have lost their capacity to produce seeds. E.g., banana, rose b) Plants like Bermuda grass (Cynodon dactyoln) which produce only a small quantity of seeds are propagated vegetatively. c) It is a more rapid, easier and cheaper method. d) The plants pr..

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Choose the fact family for the array shown. => 7 × 4 = 28 or 7 + 7 + 7 + 7 = 28 or 2 × 3 = 6 or 2 + 2 + 2 = 6 or 2 × 4 = 8 or 2 + 2 + 2 + 2 = 8 or 6 × 3 = 18 or 6 + 6 + 6 = 18..

Choose a multiplication fact shown by the model. => 1 × 7 = 7 or 1 + 6 = 6 or 1 × 6 = 6 or 2 + 5 = 7..

Choose a multiplication fact for 28 ÷ 2 = 14. => 7 × 4 = 28 or 13 × 2 = 26 or 14 × 2 = 28 or 7 × 2 = 14..

Maximum number of electrons that can be accommodated in a shell is given by 2n 2 where n=shell number For 1 s t energy level, n = 1 Maximum number of electrons in 1 s t energy level = 2n 2 2 x (1)..