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classification corrosion
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.
Why magnesium does not impart any colour to Bunsen flame while calcium does
Hno3 is aded to Ag ION then form Agcl so from where cl ion come
There are 13 electrons in an element whose nucleus comprise 14 neutrons. Obtain atomic number and atomic weight of this element. If atomic weight of the isotope of above element is
Q. What is Entropy? Ans. The strangest thing about entropy is that it is denoted by the letter S. Entropy is the measure of the disorder in a system. A system with low en
For ns orbital, the magnetic quantum number has value: (1) 2 (2) 4 (3) - 1 (4) 0 Ans:0
Question : (i) What do you understand by marine biodiversity? (ii) Give full nomenclature (common and scientific names) for species from marine fauna and species from mari
α -elimination reactions or 1,1-elimination reactions: A reaction where both the groups or atoms are removed from similar carbon of the molecule is called α - elimination reac
The de-Broglie wavelength of a particle with mass 1gm and velocity 100m/ sec is: (1) 6.63 x 10 -53 m (2) 6.63 x 10 -34 m (3
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