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Why a covalent bond is directional?
The covalent bond is formed as a result of pairing of two electrons in the atomic orbitals of two atoms. The bond then should lie along the direction of the overlapping of atomic orbital i.e. the bond only happens in the direction of the shared pairs of electrons. As the covalent bonds will have strong directional preferences unlike ionic and metallic bonds.
when a 0.800g sample of CaCl2 is dissolved in 9.85g of water in a microscale calorimeter the temperature of the solution rose from 23.4 degrees celcius to 35.8 degrees celcius.calc
LITHIUM AND BERYLLIUM MARKEDLY DIFFERENT FROM OTHER MEMBERS OF THEIR RESPECTIVE GROUP?.
does nitro compounds cause any harmful effect on living things?
A nucleophile is a chemical species that donates an electron pair to an electrophile to form a chemical bond in a reaction. All molecules or ions with a free pair of electrons or a
Q. Show General Characteristics of group16? The valence shell electronic configuration of Group 16 elements is ns 2 , ns 4 . These elements tend to gain inert gas configuration
how do i calculate the rate of advancement of a week electrolyte
Which of the following is always a whole number : (1) Atomic weight (2) Atomic radii (3) Equivalent weight (4) Atomic number Ans: Atomic number
What are the advantages of graphite furnace AAS? tell the history of graphite furnace AAS
how is paracetamol prepared
The pH scale: The equation: p Kw =14.00=pH+pOH is obtained by taking the negative logarithm to the base 10 of the autoprotolysis equation, where In general pX denotes -
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