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प्रश्न
Name the elements represented by the following symbols :
Hg, Pb, Au, Ag, Sn
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उत्तर
Following are the chemical names for the listed symbols of elements:
- Hg: Mercury
- Pb: Lead
- Au: Gold
- Ag: Silver
- Sn: Tin
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संबंधित प्रश्न
Write the names and symbols of the first twenty elements that you have studied in class VI & VII.
Which particular atom of the above element is used for this purpose ?
What is a symbol? What information does it convey?
Write the full form of IUPAC. Name the elements represented by the following symbols:
Au, Pb, Sn, Hg
How are the elements with variable valency named? Explain with an example.
An atom of an element is denoted by a “symbol”. Explain the meaning of the term ‘symbol’. State a reason for representing the following element by its symbol.
Hydrogen by ‘H’
Give the symbol and the number of atoms of the following elements present in sodium chloride.
Match the symbols of non-metallic elements with their correct combining power or capacity.
(a) O
(b) S
(c) Cl
Combining power or capacity A : 3; B : 2; C : 1. (negative valencies)
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Bromide
Describe the different ways in which we can write the symbols of elements. Give appropriate examples.
