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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..
Question 10
Question: A zinc rod was kept in a glass container having CuSO 4 solution. On examining, it was found that the blue colour of the solution had faded. After few days when the zinc rod was taken out of the solution, a number of small holes were noticed in it. State the reason and give ..
Adaptive Radiation
. Analogous structures are those that show no similarity in the internal structure or anatomy. However, they carry out similar structural or physiological functions. For example, birds and bats both have wings, while mice and crocodiles do not. Does that mean that birds and bats are more closely re..
Introduction
) 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 ..
) 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 ..Summary
>Fossils also show evidences of evolutionary relationships. Their study provide knowledge about the extinct forms, and also provide links between two groups of species Organisms have emerged due to evolution by stages and adaptations for new functions. Intermediate stages can be traced by studing t..
Heredity ,Evolution Introduction
>Fossils also show evidences of evolutionary relationships. Their study provide knowledge about the extinct forms, and also provide links between two groups of species Organisms have emerged due to evolution by stages and adaptations for new functions. Intermediate stages can be traced by studing t..
Structure of the Atom
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..
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 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 22 students in the year 2002. If 8..
The computer science department had 22 students in the year 2002. If 8 of these students failed, then how many students graduated? => 16 or 14 or 30 or 12..
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