हिंदी

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. - Chemistry

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.

टिप्पणी लिखिए
Advertisements

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]”

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: The Language Of Chemistry - Additional Questions

APPEARS IN

विराफ जे दलाल Simplified ICSE Chemistry [English] Class 9
अध्याय 1 The Language Of Chemistry
Additional Questions | Q 23.1

संबंधित प्रश्न

Write the chemical formula of the Copper nitrate.


What do the following abbreviations stand for ?

  1. O
  2. 2O
  3. O2
  4. 3O2

Name the following compounds. Also write the symbols/formulae of the ions present in them :

  1. CuSO4
  2. (NH4)2SO4
  3. Na2O
  4. Na2CO3
  5. CaCl2

An element Y has a valency of 4. Write the formula for its :

  1. chloride
  2. oxide
  3. sulphate
  4. carbonate
  5. nitrate

The formula of carbonate of a metal M is M2CO3.

What will be the formula of its iodide ?   


Name the element in the compound and give the formula of the following compound:

Carbonic acid


Write the formula of the following compound:

Sodium nitrate


Write the formula of the following compound:

Sodium sulphite


Write the formula of the following compound:

Calcium sulphate


Write the formula of the following compound:

Magnesium sulphate


Write the formula of the following compound:

Zinc nitrate


Write the formula of the following compound:

Copper [I] sulphide


Write the formula of the following compound:

Copper [II] sulphide


Write the formula of the following compound:

Iron [II] chloride 


Write the formula of the following compound:

Iron [II] oxide


Define the term Relative molecular mass. State why indirect methods are utilised to determine the absolute mass of an atom. Explain in brief the indirect method used.


Write the chemical formula for the following elements.

  1. Hydrogen
  2. Nitrogen
  3. Ozone
  4. Sulphur

Find the valency of the element which is underlined in the following formula.

  1. NaCl
  2. CO2
  3. Al (PO4)
  4. Ba (NO3)2
  5. CaCl2

Write the molecular formulae for the following compounds

Aluminium (III) nitrate


What is a chemical formula?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×