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प्रश्न
What do the following symbol stand for?
2H
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उत्तर
2H stands for 2 atoms of hydrogen element
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संबंधित प्रश्न
Write the names and symbols of the first twenty elements that you have studied in class VI & VII.
Write true or false
Milk is an emulsion.
Fill in the blank:
Dalton used symbol _____ for oxygen and _____ for hydrogen.
Match the symbols of – radicals – with their correct combining power or capacity, (valency).
(a) OH
(b) So4
(c) No3
(d) Co3
Combining power or capacity – A : 3; B : 2; C : 1. (negative valencies)
Give the symbol of the following element:
Bromine [bromide]
State the type of element for the following:
Neon
State the type of element for the following:
Bromine
Write the radical of the following valency:
Phosphate
Write the radical of the following valency:
Iodine
What is the significance of the symbol of an element?
