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There are two conditionfor foramtion of anions a) High Electron affinity b) Small size Less charge of an atoms form anion more simply
Which of the following is not isoelectronic : (1) Na + (2) Mg 2+ (3) O 2- (4) Cl - Ans:(d)Cl -
(i) Use valence shell electron pair repulsion theory (VSEPR) to predict the shape of the molecule comprising oxygen, nitrogen and fluorine atoms, which has the formula ONF, and whe
The magnetic quantum number of valence electron of sodium (Na) is: (1) 3 (2) 2 (3) 1 (4) 0 Ans: 0
Which of the following is least ionic: (1) C 2 , H 5 Cl (2) KCl (3) BaCl 2 (4) C 6 H 5 +
Q. Give Basic diffrence betwwen Fission and Fusion? A quick way to remember the difference between fission and fusion: Fusion Fuses: In the nuclear reaction, nuclei are act
what is equevalent weight of Nacl
Semisynthetic polymers These polymers are mainly derived from naturally taking place polymers by chemical changes. Since cellulose is naturally taking place polymers, cellulose
Bohr model of an atom could not account for : (1) Emission spectrum (2) Absorption spectrum (3) Line spectrum of hydrogen (4)Fine spectrum Ans: Fine spectrum
Merits of Atomic fluorescence spectrometry: Merits of the technique involve extremely low detection limits for favourable elements and the possibility of handling solid, liqui
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