Atoms and Molecules
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132
The element having atomicity ‘four’ is most likely to be: (a) Argon (b) Fluorine (c) Phosp...
By BidishaKashayap1333, 2 years ago
replies 1
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297
The law of conservation of mass was given by: (a) Dalton (b) Proust (c) Lavoisier (d) Berz...
By BidishaKashayap1333, 2 years ago
replies 1
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154
The English name of an element is potassium, Its Latin name will be:
By BidishaKashayap1333, 2 years ago
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0
1
308
One of the following element has an atomicity of ‘one’. The element is: (a) Helium (b) Hyd...
By BidishaKashayap1333, 2 years ago
replies 1
0
1
208
The atomic theory of matter was proposed by: (a) John Kennedy (b) Lavoisier (c) Proust (d)...
By BidishaKashayap1333, 2 years ago
replies 1
1
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380
The Latin language name of an element is natrium. The English name of this element is
By BidishaKashayap1333, 2 years ago
replies 1
0
1
331
The symbol of a metal element which is used in making thermometers is: (a) Ag (b) Hg (c) M...
By BidishaKashayap1333, 2 years ago
replies 1
0
1
288
The atomicities of ozone, sulphur, phosphorus and argon are respectively
By BidishaKashayap1333, 2 years ago
replies 1
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284
Define atomic mass unit. What is its symbol? (b) Define atomic mass of an element. (c) Wha...
By BidishaKashayap1333, 2 years ago
replies 1
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223
What is an atom? How do atoms usually exist? (b) What is a molecule? Explain with an examp...
By BidishaKashayap1333, 2 years ago
replies 1
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