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what is water gas and how is it prepared?
what is the atomic weight of oxygen
lithium and beryllium markedly differ from other members of their respective groups.
explain vsepr thheory
get calcium EDTA from disodium EDTA and calcium which in complexomteric reaction. how mechanism of making ??
The only nonradioactive isotope of fluorine has 9 protons and 10 neutrons. a. What is its mass number. b. Write the full symbol of this atom.
The shape of an orbital is given by the quantum number : (1) n (2) l (3) m (4) s Ans: l
Determine the density of cesium chloride which crystallises in bcc type structure with the edge length 412.1 pm.The atomic masses of Cs & Cl are 133 & 35.5 respectively. Solution
What are similarities and differences of primitive cells and unit cells? Ans: Unit cell is the basic building block of a crystal, repeated infinitely in three d
Q.Briefly describe about Nitrogen? Ans. Nitrogen is a gas that makes up approximately 79% of the atmosphere. It exists in the form of the diatomic molecule N 2 . In this f
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