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प्रश्न
Give the chemical formula of sodium hydroxide
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उत्तर
It denotes in a compound, the number of atoms of element present.
∴ Formula = \[\ce{NaOH}\]
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संबंधित प्रश्न
In the Modern Periodic Table, which are the metals among the first ten elements?
where should hydrogen be placed in the modern periodic table? Give reason for your answer.
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.
What is meant in the periodic table by a period?
Give the symbol and valency of the following element and radical.
Calcium
Give the symbol and valency of the following element and radical.
Zinc
Give the symbol and valency of the following element and radical.
Hydroxide
Give the chemical formula of magnesium nitrate
Which of the following statements about the Modern periodic table is correct?
Match the atomic number with the following:
A rare gas.
