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How do we extract group one alkali metals?
Which of the following sets is possible for quantum numbers : (1) n=4, l=3, m= -2 , s=0 (2) n=4, l=4, m= +2 , s=1/2 (3) n=4, l=3, m= -2 , s=+1/2 (4)
The determination of k is not a strait forward exercise. Model it from first principles using Bernoulli's equation would produce a square root relationship and would probably have
what groups comprise each block of element?
Freons - Halogen Derivatives The chloro fluoro that is derivatives of methane and ethane are called freons. Some of the derivatives are: CHF 2 Cl (monochlorodifluoromethane)
Q. Define Allotropic forms? All the elements of the group show allotropy. Oxygen exists in two allotropic forms. Dioxygen. 02, is a diatomic gas, paramagnetic in nature. Lewis
Q. Illustrate Activity Series for Metals? Ans. An activity series is a series that orders substances on the basis of their reactivity. The following diagram is the activit
Which of the following compounds are covalent: (1) H 2 (2) CaO (3) KCL
Q. What is scientific law and theory? A theory is a description that has been supported by many experiments. Theories declare broad principles of nature. Even though theories a
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