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In the transition of Zn atoms to Zn ++ ions there is a decrease in the: (1) Number of valency electrons (2) Atomic weight (3) Atomic number (4) Equivalent weight A
Given that dH for the reaction is -92.2 kJ mol-1, which is larger, the total bond dissociation energy of the reactants or the total bond dissociation energy of the products?
first two groups are metal but why hydrogen is placed in first group
Penta valent element has one electron more than 4 electrons which could be used for conduction while the trivalent elements has 1 electron less , this can also be seen as a hole
The molecule having one unpaired electron is: (1) NO (2) CO (3) CN - (4) Fe Ans: NO
how can we prepare adernaline from cyclohexane
The density of gold is 19.30g/ml how much volume of gold will have a mass of 34.5kg ion..
how many solid state are there?
Word root - IUPAC System of Naming Organic Compounds The word root represents the number of carbon atoms that are present in the chain. Table : Chain le
occurrence of p block elements
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