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Explain the following observations:
(i) Generally there is an increase in density of elements from titanium (Z = 22) to copper (z =29) in the first series of transition elements.
(ii) Transition elements and their compounds are generally found to be good catalysts in chemical reactions.
Q. Explain Ionization Energy? Ans. When an electron is removed from an atom, the atom has been ionized. Therefore, the energy required to remove an electron from an atom i
Non-benzenoid aromatics and Heterocyclic compounds There are aromatic compounds that have structural units which are not same from benzenoid type and are termed as Non-benzeno
Write the neutral calcium atom has a number The neutral calcium atom has a number of valence electrons euivalent to its group number, that is 2.
what is the difference between acids, bases and alkalis?
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The galvanic cells in which electrodes are made of same metal but they are immersed in the electrolytes of different concentrations in two half cells are called concentration cells
what is the working principle of potentiometry
The set of quantum numbers not applicable for an electron in an atom is: (1) n= 1, l=1, m 1 = 1, m s = +1/2 (2) n= 1, l=0, m 1 = 0, m s = +1/2 (3) n= 1, l=0 m
A electrovalent compound is made up of: (1) Electrically charged molecules (2) Neutral molecules (3) Neutral atoms (4) Electrically charged atoms or group of atoms
explain heat as internal energy as state function
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