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The number of unpaired electrons in nitrogen is: (1) 1 (2) 3 (3) 2 (4) None of these Ans: 3
Covalent compounds are generally ...... in water: (1) Soluble (2) Insoluble (3) Dissociated (4) Hydrolysed Ans:
Q. Define Elements and Compounds? Pure substances are categorized into two categories that are elements and compounds. An element is a substance that can't be separated into
How ion works?
How many grams are in 4.5 moles of carbon?
Q. What is Geometrical isomers? Let us take one final example of Ma 2 b 2 cd where the following five isomers are possible as shown in Fig. 'When writing the geometrica
Basics of Potentiometry: In this unit, you have learnt about electrode potentials, principles of potentiometer and measurement of potential, different types of reference elect
Difference between thermoplastic and thermosetting polymers Thermoplastic polymers Thermosetting polymers (1) Thermoplastic polymers
classes of azo dyes\
Electrons and nuclei The familiar planetary model of the atom was proposed by Rutherford in 1912 following experiments by Geiger and Marsden showing that all the mass of an
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