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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
The position of three elements A, B and C in the Periodic Table are shown below –
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Group 16
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Group 17
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A
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B
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C
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(a) State whether A is a metal or non-metal.
(b) State whether C is more reactive or less reactive than A.
(c) Will C be larger or smaller in size than B?
(d) Which type of ion, cation or anion, will be formed by element A?
Give two example of group 17 elements.
What is the fundamental difference in the electron configurations between the group 1 and group 2 elements?
State the term
The tabular arrangement of elements in horizontal rows and vertical columns _________
How does the electronic configuration of an atom relate to its position in the modern periodic table?
What is meant in the periodic table by a period?
Give the symbol and valency of the following element and radical.
Zinc
The groups 1 and 2 constitute the _______ block.
To the left of the zig-zag line in the periodic table are the metal elements.
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.
