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प्रश्न
Give the chemical formula of sodium sulphite
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उत्तर
It denotes in a compound, the number of atoms of element present.
∴ Formula = \[\ce{Na2SO3}\]
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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.
Name the scientist who stated the modern periodic law.
Give the symbol and valency of the following element and radical.
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Give the symbol and valency of the following element and radical.
Magnesium
The amount of energy released when one or more electrons is added to the neutral atom is ______
Which of the following is the outermost shell for elements of period 2?
Which of the following elements does not lose an electron easily?
An element X which is a yellow solid at room temperature shows catenation and allotropy. X forms two oxides which are also formed during the thermal decomposition of ferrous sulphate crystals and are the major air pollutants.
- Identify the element X
- Write the electronic configuration of X
- Write the balanced chemical equation for the thermal decomposition of ferrous sulphate crystals?
- What would be the nature (acidic/ basic) of oxides formed?
- Locate the position of the element in the Modern Periodic Table.
Name the following metal:
A metal present in period 3, group 1 of the periodic table.
Answer the following in respect of element \[\ce{_16^32S}\].
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