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The four quantum number for the valence shell electron or last electron of sodium (Z = 11) is: (1) n =1, l= 1, m= -1, s= -1/2 (2) n =3, l=0, m=0, s= +1/2 (3) n =3,
what is indicators
Acid-base titrations - Types of titrations While the strength of an acid is determined along with the help of a standard solution of base, it is termed as acidimetry. Similarly
A compound is prepared by two elements N and M. The element N forms ccp structure and atoms of M occupy 1/3rd of tetrahedral voids. Determine the formula of the compound ?
AS THIS ALKALI METALS HAS LARGE SIZE AND LESS IONISATION ENERGY THEY LOSE THEIR OUTERMOST ELECTRON EASILY. PHOTOELECTRIC EFFECT MEANS EJECTION OF ELECTRONS FROM A METAL WHEN THEY
Uses of methane - Alkanes (1) In the development of compounds such as formaldehyde, methyl chloride, methyl alcohol, chloroform, carbon tetrachloride, etc. (2) In the prepar
Threshing The process of threshing separates the kernels from the stalks or panicles on which they grow. Threshing may take place in the field, or at the homestead or village;
The first ionization potentials for Na, K, and Rb are 5.138, 4.341, and 4.166 eV, respectively. Assume that the energy level of the outer electron can be represented by a hydrogenl
reaction of cycloalkane??
trend of atomic size
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