Advertisements
Advertisements
प्रश्न
Give the formula of the following gas:
Nitrogen
उत्तर
Nitrogen – N2
APPEARS IN
संबंधित प्रश्न
Explain the terms 'valency' and 'variable valency'.
Give a reason why elements are tabulated in a table called the ‘Periodic table’.
Explain the terms ‘chemical formula’.
State the type of element for the following:
Lead
State the type of element for the following:
Sodium
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Silver
write symbol with the variable valency
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).
Iodide
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).
Bisulphite
What is the expansion of IUPAC.
What is the rarest natural element on the earth?
