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प्रश्न
Select the correct answer from the choice given below.
The symbol of mercury is
पर्याय
Mg
Hg
Ag
उत्तर
Hg
संबंधित प्रश्न
The atoms of which of the following pair of elements are most likely to exist in free state ?
How are the elements with variable valency named? Explain with an example.
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)
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.
State which element exists in the highest percentage in human body.
Give the symbol of the following element:
Carbon
Give the symbol of the following element:
Silicon
Complete the statement given below by filling in the blanks with the correct words.
From the elements – He, Br, Pt and O; the element which forms a polyatomic molecule is ________ and which is liquid at room temperature is ________.
Name three metals whose symbols are derived: from their Latin names.
