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प्रश्न
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.
Copper by ‘Cu’
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उत्तर
Symbols: The short form or abbreviated name of the element (or radicals) The reason for representing the following element by their symbol is as follow:
Copper by ‘Cu’ – Deriving symbols from their Latin names
संबंधित प्रश्न
Write the names and symbols of the first twenty elements that you have studied in class VI & VII.
Fill in the blank:
Symbol represents _____ atom(s) of an element.
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
K1+ Cl1-
Give the symbol of the following element:
Boron
Write the chemical formula of the following:
Sodium bromide
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).
Permanganate
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).
Oxide
______ of some elements are derived from Latin or Greek names of the elements.
Symbol of mercury is
The name copper was taken from ______.
