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प्रश्न
Fill in the blank:
Dalton used symbol _____ for oxygen and _____ for hydrogen.
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उत्तर
Dalton used symbol [⚪] for oxygen and [☉] for hydrogen.
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संबंधित प्रश्न
Give two symbols which have been derived from the " Latin names" of the elements.
The atoms of which of the following pair of elements are most likely to exist in free state ?
The anion of an element has ______.
How are the elements with variable valency named? Explain with an example.
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Chloride
Fill in the blank:
Symbol represents _____ atom(s) of an element.
Match the symbols of – radicals – with their correct combining power or capacity, (valency).
(a) OH
(b) So4
(c) No3
(d) Co3
Combining power or capacity – A : 3; B : 2; C : 1. (negative valencies)
State the type of element for the following:
Arsenic
Give the formula of the following acid:
Nitric
Which letter is never used in any element symbol?
