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प्रश्न
State the type of element for the following:
Xenon
विकल्प
Metal
Non-metal
Metalloid
Noble gas
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उत्तर
Noble gas
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संबंधित प्रश्न
Give two examples of the following :
Solid + Solid mixture
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.
Helium by ‘He’
Give the symbol and the number of atoms of the following elements present in carbon dioxide.
Give the symbol of the following element:
Xenon
State the type of element for the following:
Silicon
Give the formula of the following gas:
Sulphur dioxide
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Mercury
write symbol with the variable valency
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
Symbol of mercury is
The first letter of a symbol is always written as a ______ letter and the second letter as a ______ letter.
