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acs exam
What is the packet of energy called: (1) Electron (2) Photon (3) Positron (4)Proton Ans: Photon
Q. Explain about Structural Isomerism? When two molecules have the same atoms but different bonds, they are called structural isomers. Thus, the variation of bond type or multi
1s 2 , 2s 2 , 2p 6 3s 1 shows configuration of: (1) Al 3+ in ground state (2) Ne in excited state (3) Mg + in excited state (4) None of these Ans: Mg + in
what is the gram atomic mass of hydrogen and oxygen?
An element has electronic configuration 2, 8, 18, 1. If its atomic weight is 63, then how many neutrons will be present in its nucleus: (1) 30 (2) 32 (3) 34
3d 10 4s0 electronic configuration exhibits by; (1) Zn ++ (2) Cu ++ (3) Cd ++ (4) Hg ++
Assignment is diagonal between berilium and aluminium
A substance that has a molecular structure built up chiefly or completely from a large number of similar units bonded together.
what are the 10 characteristics of covalent bonding
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