atomic structure, Chemistry

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what is the mass of a proton and electron

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The electronic configuration of an element, The electronic configuration of...

The electronic configuration of an element is  1s 2 , 2s 2 2p 6 3s 2 3p 6 3d 5 4s 1 . This represents its: (1) Excited state (2) Ground state        (3)Cationic for

Determine total energy of the electrons of hydrogen atom, The ratio between...

The ratio between kinetic energy and the total energy of the electrons of hydrogen atom according to Bohr's model is: (1) 2 : 1  (2)1 : 1      (3)1 : - 1           (4)

Ore&minirals, #questionwhat type of ore find in universe. Give all ores and...

#questionwhat type of ore find in universe. Give all ores and minirals of Al,Fe,Si,Cu,Mn,Zn,Ca,Ag&Au

S block, why do transition metals form complex salts

why do transition metals form complex salts

Important synthetic rubbers: nitrite rubbers , Nitrite rubbers (Gr-A or Bun...

Nitrite rubbers (Gr-A or Buna-N or NBR): Nitrite rubber is prepared by the copolymerization of butadiene and acrylonitrile in emulsion systems. Properties: 1.

What are the chemical properties of halogens, Q. What are the Chemical Prop...

Q. What are the Chemical Properties of Halogens? Ans. he halogens have 7 valence electrons in their outermost shell. Note that 7 is one electron short of the octet.

#title.organic, how can be synthesise active methylene group contining comp...

how can be synthesise active methylene group contining compound

Chemical kinetics is study of the rates of chemical process, Chemical kinet...

Chemical kinetics is study of the rates of chemical processes.                                                                         The detailed explanation at molecular leve

Millikan and harvey fletchers oil-drop experiment, Millikan and Harvey Flet...

Millikan and Harvey Fletchers oil-drop experiment The original experiment was performed in the year 1909 through Robert Millikan and Harvey Fletcher through balancing the downw

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