periodic table, Chemistry

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The atomic number of an element mass number & electrons, The atomic number ...

The atomic number of an element is 35 and mass number is 81. The number of electrons in the outer most shell is: (1) 7       (2) 6         (3) 5       (4) 3 Ans: 7

P-nitrobenzenediazonium ion, P-nitrobenzenediazonium ion The p-nitroben...

P-nitrobenzenediazonium ion The p-nitrobenzenediazonium ion, which is formed in the diazotization reaction, acts as the electrophile in an electrophilic aromatic substitution a

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Test of proteins - Xanthoproteic test Xanthoproteic test : A few proteins give yellow colour along with concentrated nitric acid (formation of yellow stains on fingers when wor

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what are grignard reagants ? how are tthey prepared is laboratory ? what makes them so important in synthetic chemistry?

Metion the food product of grapes, Grapes The components of grapes and g...

Grapes The components of grapes and grape products believed to play a significant role in preventing or delaying the onset of diseases including cancer and cardiovascular diseas

Combustion analysis, When 3.896 grams of a hydrocarbon, CxHy, were burned i...

When 3.896 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 11.40 grams of CO2 and 7.003 grams of H2O were produced. In a separate experiment, the mo

Latice energy, Factors effecting lattice energy of ionic compound

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Find the number of degrees of freedom - single phase system, Find the numbe...

Find the number of degrees of freedom? Consider a single-phase system that is a gaseous mixture of N 2 , H 2 , and NH 3 . For each of the following cases, find the number of de

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