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..
Example: 2
16 O 8 ..
16 O 8 ..Example:
Represent the atom of sodium whose atomic mass is 23 and atomic number is 11. Calculate the number of protons, electrons and neutrons..
Represent the atom of sodium whose atomic mass is 23 and atomic number is 11. Calculate the number of protons, electrons and neutrons..Some Typical Isotones
Isotones Atomic number(Z) MassNumber(A) Electrons(e) Proton(p) Neutron(n) 14 C 6 6 14 6 6 8(14-6) 15 N 7 7 15 7 7 8(15-7) 16 O 8 8 16 8 8 8(16-8) Before we end let us appreciate how far the theor..
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..
Types of Cell Division
Types of Cell Division - Cell division is a method by which new cells are originated from pre-existing cells. The formation of daughter amoebae in amoeba, the development of sex cells and the growth of a young animal or plant into an adult, all involve cell multiplication. In order to mul..
Types of Cell Division - Cell division is a method by which new cells are originated from pre-existing cells. The formation of daughter amoebae in amoeba, the development of sex cells and the growth of a young animal or plant into an adult, all involve cell multiplication. In order to mul..The Fundamental Unit of Life Introduction
>In 1831, Robert Brown discovered the nucleus in the cell J.E.Purkinje, in 1840, used the term protoplasm to describe the juicy, slimy gelatinous contents of the cell In 1885, Rudolf Virchow expressed that all cells arise from pre-existing cells In 1932, two German Scientists, Ruska and K..
Electricity Introduction
. 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..
. 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..Heredity ,Evolution Introduction
>Sex is determined by various factors and in humans on the type of chromosomal fusion Microevolution is evolution on a small scale within a species or single population. It can be due to mutation, migration, genetic drift and natural selection Speciation is the evolutionary process by which new bio..
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..See what our Users say :
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