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प्रश्न
Write the chemical formula of the following:
zinc oxide
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उत्तर
ZnO
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संबंधित प्रश्न
Give two symbols which have been derived from the " Latin names" of the elements.
Match the symbols of metallic elements – with their correct combining power or capacity.
(a) K
(b) Zn
(c) Al
(d) Na
(e) Ca
Combining power or capacity – A : 3 ; B : 2 ; C : 1. (positive valencies)
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Na1+ Cl1-
Give the symbol of the following element:
Platinum
State the type of element for the following:
Platinum
State the type of element for the following:
Bromine
Write the radical of the following valency:
Calcium
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).
Hydroxide
What does the symbol '→' present in a chemical equation, mean?
Mass of one atom of oxygen is
