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The energy of an electron in the first Bohr orbit of H atom is-13.6eV . The possible energy value(s) of the excited state(s) for electrons in Bohr orbits to hydrogen is(are):
Line imperfection : Displacement with a curved boundary makes a mixed dislocation line at the boundary.
On the basis of electrical conductivity the solids can be broadly classified into three types: (a) Metals (b) Insulators (c) Semiconductors Electrical conductiv
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
Q. Compounds of Group 16 Elements? We will now discuss some compounds like the hydrides, halides and oxides of the Group 16 elements. All elements of this group form simple
what is laws of chemical combination
chemical prooperties of aldehydes?
what is hydrogen?
A covered glass tube contains 2.25g of copper and 3.32g of sulphur. The mass of the tube as well as its contents is 18.48 g. Upon heating a chemical reaction forms copper(II) sulph
1. A compound whose empirical formula is CH 3 has a molar mass of 30 g/mol. What is its molecular formula? (3 points) 2. Find the molecular formula for each of the following co
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