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Generally ionic bonds are stronger than covalent bonds. This is because in ionic bonds, electrostatic forces of attractin are involved. The positive ion (cation) and the negative
chemical balancing equations very easy
Which of the following is not true in Rutherford's nuclear model of atom: (1) Protons and neutrons are present inside nucleus (2) Volume of nucleus is very small as compared
1. The pH of a 0.02 M solution of an acid was measured as 4.6. a) What is the [H + ] of the solution? b) What is the acid dissociation constant K an
Express the relation among the half-life period of a reactant and its initial concentration if the reaction involved is of second order. How are formalin and trioxane related to
why ice flots on water
When an electron jumps from lower to higher orbit, its energy : (1) Increases (2) Decreases (3) Remains the same (4) None of these Ans: Increases
Q. What condensed matter? Ans. There are four states of matter: solid, liquid, gas, and plasma. In this chapter, we will study liquids and solids which are called condens
Stearic effect - relative reactivity of aldehydes and keto The size of the alkyl group is much more than that of hydrogen. In aldehydes, there is one alkyl set although in keto
Q. Describe Electron Configurations and Orbital Diagrams? Ans. Remember that the atomic number of an atom tells us the number of protons and electrons in the neutral atom. To a
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