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Q. Quantum Mechanical Model of the Atom?
Ans: Using quantum mechanics, scientists realized that the exact location of an electron could not be determined. Instead, only the probability of an electron being in a given region at a given time could be calculated. The Quantum Mechanical model of the atom does not define the exact path of an electron. Instead, it shows the probability of finding an electron in a cloud of negative charge.
Using the results of these quantum mechanical calculations, we can express the location of any electron using a set of numbers called quantum numbers. Every electron within an atom has a unique set of quantum numbers denoting the probable location around the nucleus where that electron will be found. Just as you have an address consisting of a state, city, street, and street number that describes where you live, each electron has a set of four quantum numbers that describes where it "lives." After we discuss orbitals in the next section, we will discuss each of these quantum numbers and show how they are used to describe the most probable location of an electron at any given time.
Sphere packing Element structures where chemical bonding is nondirectional are best explained by considering the packing of equal spheres. Close-packed structures are on
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A Tris buffer at pH 6.0 (here "Tris" is a nickname use for Tris hydroxymethyl amino methane). For the given pK A table is Tris a compound you would select for a buffer at pH 6.0?
a. How does vulcanization change the character of natural rubber? b. Why are the numbers 66 and 6 put in the names of nylon-66 and nylon-6?
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1. Discuss how such discoveries, technological advancement and breakthroughs were achieved and the person behind this advancement, it can be local or international. 2. List the ma
Q. Explain Ionization Energy? Ans. When an electron is removed from an atom, the atom has been ionized. Therefore, the energy required to remove an electron from an atom i
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What property command to water soluble vitamins permits water solubility Ans) Because of 1]OH bond between them 2] polar componets 3] Availibility of in nature
properties of atom
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