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Relationship between nucleon number,proton number and the number of neutrons.
Ask question #imum 100 words accepted# Discussion about electrochemical serirs
LITHIUM AND BERYLLIUM MARKEDLY DIFFERENT FROM OTHER MEMBERS OF THEIR RESPECTIVE GROUP?.
A nucleophile is a chemical species that donates an electron pair to an electrophile to form a chemical bond in a reaction. All molecules or ions with a free pair of electrons or a
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If electron falls from n=3 to n= 2 , then emitted energy is: (1) 10.2ev (2) 12.09 ev (3) 1.9ev (4)0
Beilstein test or copper wire test - Halogens A clean copper wire is heated in the Bunsen flame till it does not impart any type of green colour to the flame. The heated side
Calculate the ratio of d number of molecules in two energy levels at 27''c given E2=9.75x10"-13erg/mol E1=6.95X10"-13erg/mol g1=2 g2=3
Because Mg is metal. We know from the properties of the metal it will mallable, ductile, and good conductor for electricity. So, for better conduction the conduction band must over
Co2 is isostructural with: (1) SnCl 2 (2) So 2 (3 ) HgCl 2 (4) All the above ans: HgCl 2
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