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Nanosensors
book

Nanosensors

by Vinod Kumar Khanna
April 2016
Intermediate to advanced content levelIntermediate to advanced
666 pages
22h 57m
English
CRC Press
Content preview from Nanosensors
11Introduction to Nanosensors
number 118 have been made in laboratory. According to theoretical predic-
tions, the highest atomic number lies between 170 and 210.
Hydrogen is the most abundant element in the universe (90.7% by mass)
while oxygen is the most abundant element in the earth’s crust (47.4% by
mass). Tungsten (W) has the highest melting and boiling points (M.P. = 3407°C
and B.P. = 5657°C).
1.4.6  Metals, Nonmetals, and Metalloids
Elements are divided into three classes: metals, nonmetals, and metalloids.
Metals form positively charged ions (cations) by the loss of electrons from
their atoms; they have positive valency. Nonmetals form negatively charged
ions (anions) by gain of electrons by their atoms; they have negative valency. ...
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Publisher Resources

ISBN: 9781439827130