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प्रश्न
The chemical symbol for sodium is
विकल्प
So
Sd
NA
Na
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उत्तर
Na
Chemical symbol for sodium is Na.
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संबंधित प्रश्न
The Latin language name of an element is natrium. The English name of this element is :
What do the following symbol stand for?
H
Fill in the blank:
Dalton used symbol _____ for oxygen and _____ for hydrogen.
Match the symbols of non-metallic elements with their correct combining power or capacity.
(a) O
(b) S
(c) Cl
Combining power or capacity A : 3; B : 2; C : 1. (negative valencies)
State which element exists in the highest percentage in human body.
State the most reactive and the least reactive metal from the following – Zn, Ag, Na, Fe, Cu, Pb.
Write the chemical formula of the following:
magnesium oxide
Give the formula of the following acid:
Sulphuric
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).
Bicarbonate
Mass of one atom of oxygen is
