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An element have atomic weight 40 and it's electronic configuration is 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 . Then its atomic number and number of neutrons will be: (1) 18 and 22
how many grams are there in 1.204 *10^24 atoms of Au?
Define Equilibrium with an Aqueous Phase? What are the values of C and F in systems consisting of solid AgCl in equilibrium with an aqueous phase containing H 2 O, Ag + (aq), C
density of gas is 2.86 ltr.the gas may be-
Q. General Characteristics of the f-block? You know that the 14 elements from cerium (Z = 58) to lutetium (Z = 71), which follow lanthanum (Z = 57) in the periodic table, are k
Q. Illustrate Uses of f-block element? Lanthanides and many of their complexes have received wide industrial applications. For example, europium derivatives are used as phospho
Why magnesium does not impart any colour to Bunsen flame while calcium does
Redox systems in bioinorganic chemistry
The mass number of an anion, X 3- is 14. If there are ten electrons in the anion, the number of neutrons in the nucleus of atom, X 2 of the element will be: (1) 10
Question: a) If you were a newly appointed environmental engineer in a wastewater treatment plant and one of your tasks was to characterise the wastewater. According to you,
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