Advertisements
Advertisements
प्रश्न
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.
उत्तर
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
संबंधित प्रश्न
Write the chemical formula of the Magnesium chloride.
Fill the following blanks with suitable words :
In a chemical reaction, the sum of the masses of the reactants and the products remains unchanged. This is called ....................
An element Z has a valency of 3. What is the formula of oxide of Z ?
Give the empirical formula of : Benzene C6H6
Write the formula of the following compound:
Potassium zincate
Write the formula of the following compound:
Potassium hydroxide
Write the formula of the following compound:
Sodium carbonate
Write the formula of the following compound:
Calcium carbonate
Write the formula of the following compound:
Magnesium hydroxide
Write the formula of the following compound:
Aluminium oxide
Write the formula of the following compound:
Copper [II] chloride
Write the formula of the following compound:
Iron [III] chloride
Write the formula of the following compound:
Iron [III] sulphate
Write the formula of the following compound:
Iron [II] hydroxide
Write the formula of the following compound:
Diamine silver chloride
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
KCr2O7
Write the molecular formulae for the following compounds
Magnesium (II) acetate
There are ______ hydrogen atoms in water molecule.