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Neutrons are found in atoms of all elements except in: (1) Chlorine (2) Oxygen (3) Argon (4)Hydrogen Ans: Hydrogen
how can the melting point be used to determine the purity of organic compounds
IUPAC name is given to compounds. Carbon is an element so it will bw called as carbon only. eg. hydrocarbons - CH4=methane C2H6=Ethane
what is crystallisation
why ionisation energy of aluminium is greater then Ga?
Principal of radiometric titration
when will conductors conduct electricity?
how to calculate equivalent weight of phenol
What is electromeyric effect
Alkaline earth metals: The elements Be, Mg, Ca, Sr, Ba and Ra belong to II A group. 2. II A group elements are also called alkaline earth metals. 3. The valence electron
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