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what are valence electrons? and how do you write them?
10 g of h2 and 64 g of o2 are filled in a steel vessel and exploded amount of water produced in this reaction
Which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon Ans) We know the energy of electron goes on to become more negative as it reache
mention the basic tendency of an atom which makes it to combine with other atoms.
preparation of ethane with suitable equations (hydrogenation
ORIGIN AND ABUNDANCE OF THE ELEMENTS The synthesis of elements needs nuclear reactions, of which the most important type is the fusion of two light nuclei to prepare one of
Anomolous behaviour of beryllium
With which of the given pairs CO 2 resembles: (1) HgCl 2 , C2H 2 (2) HgCl 2 , SnCl 4 (3) C 2 H 2 , NO 2 (4) N 2 O and NO 2
Why boron is electron-deficient (a) Every atom has an octet; thus, this is not an electron-deficient compound. (b) The boron is electron-deficient because it has a sextet o
given the mobility of hydrogen ion and cl to be 0.0000003623 and 0.0000000791 respectively. calculate the transference number of proton in the 0.001M solution of hydrocholric acid
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