Advertisements
Advertisements
Question
State which element exists in the highest percentage in atmosphere.
Advertisements
Solution
Nitrogen (N) — 78%
APPEARS IN
RELATED QUESTIONS
What is the significance of the symbol of an element ? Explain with the help of an example.
Define atomic mass unit. What is its symbol ?
Out of ozone, phosphorus, sulphur and krypton, the elements having the lowest and highest atomicities are respectively :
Give two examples of the following:
Liquid + Liquid mixture:
Give the symbol and the number of atoms of the following elements present in sodium chloride.
State the type of element for the following:
Oxygen
Write the radical of the following valency:
Oxygen
Give the formula of the following gas:
Nitrogen
State the valency of the following metallic element and write symbol with the valency
Chromium
What does the symbol '(g)' present in a chemical equation, mean?
