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प्रश्न
Give the chemical formula of ammonium sulphate
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उत्तर
It denotes in a compound, the number of atoms of element present.
∴ Formula = \[\ce{(NH4)2SO4}\]
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संबंधित प्रश्न
The modern periodic table was prepared by ______.
Give alongside is a part of the periodic table :
As we move horizontally from left to right:
| Li | Be | B | C | N | O | F | |
| Na | Mg | Al | Si | P | S | Cl |
(i) What happens to the metallic character of the elements?
(ii) What happens to the atomic size?
How would the tendency to gain electrons change on moving from left to right in a period of the periodic table?
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20Ca, 8O, 18Ar, 16S, 4Be, 2He
Which of the above elements would you expect to be:
(i) very stable?
(ii) in group 2 of the periodic table?
(iii) in group 16 of the periodic table?
Name the type of elements which have outermost shell complete.
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