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प्रश्न
Give the chemical formula of sodium bicarbonate
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उत्तर
It denotes in a compound, the number of atoms of element present.
∴ Formula = \[\ce{NaHCO3}\]
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संबंधित प्रश्न
Which of the following statement is correct in regard to the classification of elements?
(a) Elements in modern periodic table are arranged on the basis of increasing atomic masses.
(b) Elements in Mendeleev's periodic table are arranged on the basis of increasing atomic numbers.
(c) In modern periodic table, the element nickel of lower atomic mass is kept before the element cobalt of higher atomic mass.
(d) In modern periodic table, the isotopes of chlorine having different atomic masses are kept in the same group.
In what respects do the properties of group 1 elements differ from those of group 17 elements? Explain with examples by taking one element from each group.
Name the scientist who stated the modern periodic law.
Correct the statement.
Transition elements are placed at extreme right of the periodic table.
What is the number of elements in the 1st period?
Define the atomic size.
Give the symbol and valency of the following element and radical.
Sulphate
State the number of elements in Period 2 of the Periodic Table.
What is the symbol of the element Tungsten?
An element which is an essential constituent of all organic compounds belongs to
