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प्रश्न
______ of some elements are derived from Latin or Greek names of the elements.
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उत्तर
Symbol of some elements are derived from Latin or Greek names of the elements.
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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 :
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
K1+ Cl1-
In the chemical word equation – Zinc + Sulphuric acid → Zinc sulphate + Hydrogen
The molecular equation is :
Zn + H2SO4 → ZnSO4 + H2[g].
State what [g] represents.
State which element exists in the highest percentage in atmosphere.
Elements are mainly classified into metals and non-metals. State six properties of metals which differ from non-metals.
State the type of element for the following:
Mercury
Write the radical of the following valency:
Hydroxide
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
State why the molecular formula of zinc carbonate is ZnCO3 .
