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Nuclei contain uncharged neutrons and positively charged protons; these two particles with about the same mass are known as nucleons. The number of protons is the atomic number of
Q. How to calculate atomic mass of an element? Copper survive as a mixture of two isotopes. The lighter isotope (Cu-63) amid 29 protons and 34 neutrons makes up 69.17% of coppe
why a small amount of an acid is added while preparing solution of potassium dichromate?
Calculate the activity co-efficient? The solubility of gaseous O 2 at a partial pressure of 1.01 bar and a temperature of 310.2K, ex- pressed as a concentration, is 1.07 *10 -
what techniques can you use to separate solute from liquid
which of the following is not a characteristic of plunck''s quantum theory of radiation? A) Radiation are associated with energy B) A body can emit less or more than a quantum of e
When an electron jumps from L to K shell: (1) Energy is absorbed (2) Energy is released (3) Energy is sometimes absorbed and sometimes released (4) Energy is nei
If you have not used tar before, try this sequence to makeanarchive ofyour llast project: %cd;tar cf llast.tar llast %tar tfv llast.tar The first line m vesyou to your hom
Q. Show the Relationship between matter and energy? Ans. Albert Einstein described an intricate relationship between matter and energy. It is summarized in the famous for
which solution is formed when iodine solution ,copper sulphate and caustic soda are mixed?
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