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प्रश्न
Write the radical of the following valency:
Iodine
पर्याय
1+
2+
3+
1−
2−
3−
MCQ
उत्तर
1−
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संबंधित प्रश्न
Give the symbols and valencies of following radicals:
(a) Hydroxide (b) Chloride
(c) Carbonate (d) ammonium
(e) Nitrate
The symbol of a metal element which is used in making thermometers is :
What do the following symbol stand for?
H2
Fill in the blank:
Dalton used symbol _____ for oxygen and _____ for hydrogen.
Select the correct answer from the choice given below.
The symbol of mercury is
Give the symbol of the following element:
Platinum
State the type of element for the following:
Lead
Give the formula of the following gas:
Nitrous oxide
What is meant by the term ‘symbol’?
Name three metals whose symbols are derived from the first letter of the name of the element.
