Advertisements
Advertisements
Question
State which element exists in the highest percentage in atmosphere.
Advertisements
Solution
Nitrogen (N) — 78%
APPEARS IN
RELATED QUESTIONS
Write the names of following elements Na, C, Kr, U, Ra, Fe, Co.
Give the names and symbols of the first twenty elements of the periodic table.
State the type of element for the following:
Fluorine
Give the formula of the following gas:
Hydrogen chloride
Give the formula of the following gas:
Nitric oxide
State the valency of the following metallic element and write symbol with the valency
Sodium
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).
Aluminate
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).
Sulphide
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).
Dichromate
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).
Nitride
