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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
Name two elements you would expect to show chemical reactions similar to magnesium. What is the basis for your choice?
On which side of the periodic table will you find non-metals?
Name the scientist who prepared modern periodic table.
Name the type of elements which have two electrons in the outermost orbit.
An element E has following electronic configuration:
|
K |
L |
M |
|
2 |
8 |
6 |
(a) To which group of the periodic table does element E belong?
(b) To which period of the periodic table does element E belong?
(c) State the number of valence electrons present in element E.
(d) State the valency of the element E.
Compare Modern Periodic Law with Mendeleev's Periodic Law.
Distinguish between:
s-block - p-block
______ is the longest period in the periodical table.
In the modern periodic table, elements are arranged according to their ______
- Write the electronic configuration of element X, given by its symbol as under: \[\ce{^40_20 X}\]
- Determine its position in the modem periodic table.
- What is the nature of its oxide?
- Name one other element of its group.
