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what is chemical bonding?
Chemical bonding, any of the interactions that account for the association of atoms into molecules, ions, crystals, and other stable species that make up the familiar substances of the everyday...
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Give two examples of different types of global exchanges which took place before the seventeenth century,
Examples of the different types of global exchanges which took place before the seventeenth century: i) Textiles, spices and Chinese pottery were exchanged by China, India and Southeast Asia in return...
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What type of bonding would you expect between
a) Ionic bonding b) Metallic bonding c) Covalent bonding.
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Explain why inspite of nearly the same electronegativity, oxygen forms hydrogen bonding while chlorine does not.
Both chlorine and oxygen have almost the same electronegativity values, but chlorine rarely forms hydrogen bonding. This is because in comparison to chlorine, oxygen has a smaller size and as...
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Given 5 different green dyes ,four different blue dyes and three different red dyes,the number of combinations of dyes which can be chosen
Green dyes =5 Blue dyes =4 Red dyes =3 The no of ways of choosing of at least one green and one blue is =(25−1)×(24−1)×23 ⇒(32−1)×(16−1)×8 ⇒31×15×8 ⇒3720
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From 5 different green balls, four different blue balls and three different red balls, how many combinations of balls can be chosen
Total combination of balls = 212 Combination of balls with no green balls = 27 Combination of balls with no blue balls = 28 Combination of balls with no blue balls and no green...
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Explain why burning of wood and cutting it into small pieces are considered as two different types of changes.
Burning of wood is a chemical change because wood on burning converted to new substances like ash (carbon), carbon dioxide gas, water vapour, heat and light. The change is irreversible....
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a. List two reasons for carbon forming a large number of compounds. b. Name the type of bonding found in most of the carbon compounds.
The two characteristic properties of the carbon element which leads to the formation of a very large number of organic compounds are: Catenation Tetravalency Catenation: Carbon has the unique ability to form bonds...
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It is because of inability of ns^2 electrons of the valence shell to participate in bonding that :
(4) Inertness of ns2 electrons of the valence shell to participate in bonding on moving down the group in heavier p-block elements is called inert pair effect. As a result, Pb(II)...
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Which of the following has the highest p_π – p_π bonding tendency ?
(a) Nitrogen due to small size is able to show pπ -pπ lateral overlap forming N = N, rest elements due to bigger size are not able to show pπ -pπ lateral overlap
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