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In naturally occuring neon, the fracional abundance of various isotopes is as follows: 20Ne =0.9051; 21Ne = 0.0027; 22Ne = 0.0922. What is the atomic mass of neon?
i need help filling in this equation __Na+__O2= __ Na2o
Explain enantiomer
An element has the electronic configuration 1s 2 , 2s 2, 2p 6 , 3s 2 , 3p 2 . Its valency electrons are: (1) 6 (2) 2 (3) 3 (4)4 Ans: 4
what is oxidation?
Name the Which is a covalently bonded crystal? germanium
what is the advantages of preparing interstitial compounds
Fission of Covalent bond
write the different units of hardness with their relationship
Pick out the isoelectronic structures from the following : CH + 3 , H 3 O + NH 3 CH - 3 I
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