Advertisements
Advertisements
Question
Define the term Relative atomic mass. State why indirect methods are utilised to determine the absolute mass of an atom. Explain in brief the indirect method used.
Advertisements
Solution
Relative atomic mass [RAM] of an element :
“is the number of times one atom of an element is heavier than 1/12 the mass of an atom of carbon [C12]”
OR
“Mass of an atom of an element as compared with 1/12 mass of an atom of carbon [C12]”
APPEARS IN
RELATED QUESTIONS
Write down the formulae of sodium sulphide.
An element Y has a valency of 4. Write the formula for its :
- chloride
- oxide
- sulphate
- carbonate
- nitrate
Complete the following statement by selecting the correct option :
The correct formula of aluminium oxide is
Give the empirical formula of Acitic Acid CH3COOH.
Name the element in the compound and give the formula of the following compound:
Carbonic acid
Write the formula of the following compound:
Potassium dichromate
Write the formula of the following compound:
Potassium sulphate
Write the formula of the following compound:
Potassium aluminate
Write the formula of the following compound:
Sodium bisulphate
Write the formula of the following compound:
Sodium permanganate
Write the formula of the following compound:
Sodium nitrite
Write the formula of the following compound:
Calcium bicarbonate
Write the formula of the following compound:
Zinc carbonate
Write the formula of the following compound:
Zinc sulphate
Write the formula of the following compound:
Lead [II] chloride
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaZnO2
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaCO3
Which of the following represents a correct chemical formula? Name it.
BiPO4
