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what is the mass of a proton and electron
Silicon has 4 electrons in the outermost orbit. In forming the bonds: (1) It gains electrons (2) It loses electrons (3) It shares electrons (4) None of these Ans: I
How ion works?
Q. Describe Sulphurous Acid ? Sulphurous acid H 2 SO 3 is known only in solution. It exists mainly as a hydrate of sulphur dioxide SO 2 . 7H 2 O two series of salts the bisulp
give two reasons why it is necessary to ionize the chromium atoms
How is chemical reaction reversible and irreversible?
lithium and beryllium markedly different from other members of their respectively groups
Question 1: (i) With the aid of a diagram, briefly explain the natural environmental system. (ii) Explain the green house effect, and give 2 examples of green house gases
5 points on nickel plating
Derivation of Ideal gas equation from the Kinetic theory
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