Q57 of 203 Page 130

The atomicities of ozone, sulphur, phosphorus and argon are respectively:

The atomicity of ozone(O3) is 3, sulphur(S)- 8, phosphorus(P)- 4, Argon(noble gas, Ar)- 1.

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56

Define atomic mass of an element.

 56

What is meant by saying that ‘the atomic mass of oxygen is 16’?

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The symbol of a metal element which is used in making thermometers is:

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The Latin language name of an element is natrium. The English name of this element is: