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प्रश्न
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 ________.
उत्तर
From the elements – He, Br, Pt and O; the element which forms a polyatomic molecule is O and which is liquid at room temperature is Br.
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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)
Give the symbol of the following element:
Xenon
Give the symbol of the following element:
Nitrate
Give the symbol of the following element:
Sulphate
Write the radical of the following valency:
Hydroxide
Give the formula of the following gas:
Nitrogen
State the valency of the following metallic element and write symbol with the valency
Aluminium
What does the symbol '(l)' present in a chemical equation, mean?
What does the symbol '(aq.)' present in a chemical equation, mean?
