Rabu, 22 Februari 2012

Artikel Kimia

Artikel Kimia


The Atom is Divisible

Posted: 22 Feb 2012 07:36 AM PST

Once accepted the atomic theory of matter, the phenomena of electrification and electrolysis showed, on the one hand, the electrical nature of matter and, secondly, that the atom was divisible, ie, consisted of particles smaller than the atom itself.

Just as there are a pair of forms of electrical phenomena (attraction and repulsion), it’s recognized that the properties that have electrified bodies are as a result of the presence in these a pair of forms of electrical charges referred to as, arbitrarily, negative and positive.

Two bodies have acquired a load of identical sort repel one another, whereas if they need many differing types attract.

In general, the fabric is electrically neutral, ie has identical quantity of every kind of load. after you purchase charge, each positive and negative, as a result of it’s additional of 1 sort than another.

definition of proton

Posted: 22 Feb 2012 03:34 AM PST

In 1886, German physicist E. Goldstein some experiments performed with a cathode ray tube with the cathode perforated. Observed rays that responded to the cathode within the other way to the cathode rays. Were known as canal rays .

The study found that these rays consisted of completely charged particles and had a distinct mass whichever is that the gas that was trapped within the tube. This clarified that the particles leaving the body of the gas and therefore the positive electrode.

By experimenting with hydrogen was achieved by isolating the positive elementary particle or proton , whose charge is that the same because the electron however positive and its mass is 1837 times larger

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