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The equation Δ x Δp ≥ h/ 4Π shows:
(1) de-Broglie relation
(2) Heisenberg's uncertainty principle
(3) Aufbau principle
(4) Hund's rule
ans: Heisenberg's uncertainty principle
The hydride ions H- are isoelectronic with: (1) Li (2) He + (3) He (4) Be Ans: He
Difference between DNA and RNA DNA RNA DNA has a double helix structure. RNA comprises a single helix structure.
a) Describe why not all of the organic matter in wastewater is converted to carbon dioxide and water in biological treatment. b) What is the importance of the BOD in the charact
writethe sort farmula of learn the pariodik table.
WHAT IS ENVIRONMENTAL CHEMISTRY?
Addition of Grignard reagents: Grignard reagents react along with carbonyl compounds to offer alcohols. Nature of alcohol lies on the nature of carbonyl compound. Addition o
Which of the following has more unpaired d-electrons: (1) Zn + (2) Fe 2+ (3) N 3+ (4) Cu + An
how the graph is obtained and why
What is meant by linear combination of atomic orbitals? State bonding and antibonding molecular orbitals based on bomo-nuclear dihydrogen molecule.
The elements of first transition series from variety of oxides of different oxidation states having general formulae MO, M 2 O 3 , M 3 O 6 , MO 2 , MO 3 . These oxides are gene
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