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प्रश्न
What do the following symbol stand for?
H2
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उत्तर
H2 stands for one molecule of hydrogen.
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संबंधित प्रश्न
The symbol of a metal element which is used in making thermometers is :
The anion of an element has ______.
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Chloride
Match the symbols of non-metallic elements with their correct combining power or capacity.
(a) O
(b) S
(c) Cl
Combining power or capacity A : 3; B : 2; C : 1. (negative valencies)
State the type of element for the following:
Zinc
State the type of element for the following:
Calcium
Give the symbol of the following element:
Nitrate
Write the radical of the following valency:
magnesium
Write the chemical formula of the following:
Sodium bromide
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Silver
write symbol with the variable valency
