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Structure of the Atom
Everything that exists in our universe is made up of this tiny particle called atom. The computer you are working on is made up of atom..
Size of the Atom Elements
Atoms are infinitesimally small. Smaller than any thing we can imagine. One hydrogen atom, the smallest atom known, is approximately 5 x 10 -8 mm in diameter. To put that in perspective, it would take almost 20 million hydrogen atoms to make a line as long as this dash ' - '. The extremely small si..


E-waste
The disposal of the waste we generate is causing serious environmental problems. There are a number of concepts about waste management, which vary in their usage between countries or regions. The waste hierarchy refers to the "3 Rs" reduce, reuse and recycle, which classify waste management strate..
Introduction
Alessandro volta picture ) who experimented with electricity and made major inroads in understanding the phenomenon. By the middle of the eighteenth century, there were machines that could generate large electrical charges. Static electricity may produce dramatic effects but it is of very little practical use to us. It is ..
Electricity Introduction
Alessandro volta picture . But it was the American inventor, Benjamin Franklin (1706 - 1796) who experimented with electricity and made major inroads in understanding the phenomenon. By the middle of the eighteenth century, there were machines that could generate large electrical charges. Static electricity may produce dra..
Structure of Atom
picture of john dalton When scientists started exploring matter, they discovered that the smallest particle of an element that maintains its chemical identity through all chemical and physical changes is called and 'atom'. Just how small these atoms are can be made out if you realize that there are about 60,000,000,000,..
Structure of the Atom
picture of john dalton Structure of Atom - When scientists started exploring matter, they discovered that the smallest particle of an element that maintains its chemical identity through all chemical and physical changes is called and 'atom'. Just how small these atoms are can be made out if you realize that there are ab..
The Computer Science Department had 24 students in the year 2002. If 1..
The Computer Science Department had 24 students in the year 2002. If 10 of these students failed, then how many students graduated? => 18 or 10 or 14 or 34..
The computer science department had 29 students in the year 2002. If 1..
The computer science department had 29 students in the year 2002. If 15 of these students failed, then how many students graduated? => 23 or 5 or 44 or 14..
The computer science department had 28 students in the year 2002. If 1..
The computer science department had 28 students in the year 2002. If 14 of these students failed, then how many students graduated? => 42 or 22 or 6 or 14..
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