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प्रश्न
Give two symbols which have been derived from the "English names" of the elements.
उत्तर
Two examples of symbols which have been derived from the “English names” of their respective elements: Sulphur – S and Aluminium – Al.
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संबंधित प्रश्न
The symbols of the elements cobalt, aluminium, helium and sodium respectively written by a student are as
follows. Which symbol is the correct one ?
State what a chemical formula denotes.
State which element exists in the highest percentage in human body.
Give the symbol of the following element:
Mercury
Give the symbol of the following element:
Aluminium
Write the radical of the following valency:
Sulphur [Sulphide]
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).
Sulphide
Which of the following would weigh the highest?
Antimony has the highest tensile strength.
