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Q. What are the Chemical Properties of Halogens? Ans. he halogens have 7 valence electrons in their outermost shell. Note that 7 is one electron short of the octet.
Semi-synthetic polymers Rayon and other cellulose derivatives such as cellulose nitrate, cellulose acetate so on, are semi-synthetic polymers. These illustrated as thermoplasti
commercial cells
Q. What is compound? A compound is a substance which consists of two or more elements chemically combined. The elements in a compound aren't simply mingled together as they a
A bond with maximum covalent character between non-metallic elements is formed: (1) Between identical atoms (2) Between chemically similar atoms (3) Between atoms of wide
Reactions that are classified as oxidation-reduction (redox) reactions all have the common trait that electrons leave one component (that is, getting oxidized) to be taken up by an
its important topics for class 11th
Which quantum number is not related with Schrodinger equation: (1) Principal (2) Azimuthal (3) Magnetic (4)Spin Ans: Spin
structure of H20
The only nonradioactive isotope of fluorine has 9 protons and 10 neutrons. a. What is its mass number. b. Write the full symbol of this atom.
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