Tag Archives | metals

What are the ways used for purifying metals ?

Refining of metals means purification of metals. Depending upon the nature of the metal and the nature of the impurities, present different methods are applied for the refining of metals. Some of the commonly used methods are discussed below:

What are the physical properties of non-metals?

The important physical properties of non-metals are discussed below: Non-metals are generally brittle and hence cannot be beaten into sheets or drawn into wires. In other words, non-metals are non-malleable and non-ductile. Where stress is applied on non-metals, they shatter into pieces.

What is the role of metals in the living system?

Some metals such as sodium, potassium, calcium, magnesium, iron and copper play a vital role in the living systems. Sodium and potassium are the most common cations in biological fluids. These ions are involved in the electrical activity in nerves and in muscle contraction.

11 essential facts on Metals and Metallurgy Summary

Metals are hard substances. They are ductile, malleable, sonorous and good conductors of heat and electricity. Metals are electropositive in nature. Non-metals are brittle and electronegative in nature.

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