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The number of appositively charged ions surrounded a certain ion in an ionic crystal lattice is known as co- ordination number.
THERMOCHEMISTRY The enthalpy changes associated with reaction are dependent upon the temperature. They are also dependent upon the amounts, and the pressure and states of the r
define and explain law of successive disintegration
Uses of Alkyl nitrites (1) Ethyl nitrite dialates the blood vessels and so accelerates pulse rate and lowers blood pressure thus it is utilized for a medicine for the treatment
The number of nodal planes in a Px is: (1) One (2) Two (3) Three (4) Zero Ans: One
formula mass of hemoglobin
can i have some reactions of p block elements such as in water,with oxygen,in acid etc...
define packing of atoms...
The first use of quantum theory to explain the structure of atom was made by: (1) Heisenberg (2 )Bohr (3) Planck (4) Einstein Ans: Bohr
Q. What are the Physical Properties of Halogens? Ans. The halogens exist as diatomic molecules held together by a single bond. Reactivity becomes less as you move down
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