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CARBON & ITS COMPOUNDS
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The following species has the lowest number of electrons in the valence shell
The valence shell of transition element consists of
Write the correct form of the following statement: The number of electrons in the valence shell of C atom is 6.
The order of screening effect of electrons of s, p, d and f orbitals of a given shell of an atom on its outer shell electrons is * Thinking process:To solve question, keep in mind that shielding effect represent the repulsive force felt by the valence shell from the electrons presents in the inner shells.
When an electron is added in the valence shell
{:(1."Arrangement of electrons in energy shells", a."Valence shell"),(2."Maximum number of electrons = 18",b."Electronic configuration"),(3."Outermost shell of an atom",c."Valency"),(4."Combining cpacity of the atoms of an element",d."Number of charge it carries"),(5."An element with 8 valence electrons",e."M energy shell"),(6."Valency of a radical",f."Octet configuration"):}
Which element has (a) two shells, both of which are completely filled with electrons? (b) the electronic configuration 2, 8, 2? (c) a total of three shells, with four electrons in its valence shell? (d) a total of two shells, with three electrons in its valence shell? (e) twice as many electrons in its second shell as in its first shell?
An element has 2 electrons in its K-shell. 8 electrons in L-shell, 13 electrons in M-shell and one electron in N-shell. The element is
Which of the followingg intermediates contains three paris of electrons in its valence shell?
According to Slater's rule , correct order of Z_("eff") on valence shell electron is :
ICSE-ATOMIC STRUCTURE -EXERCISES (Diagram based questions)
