Page 2 - HA
P. 2

SUBJECTIVE QUESTIONS
           S.LNo.  Questions                                                                  Mark  Skill
           Q.1       Define 1 amu.                                                            1       E/R

           Q.2       What is meant by the relative atomic mass of an element?                 1       Av/U

           Q.3       a) State why atomic mass of an element is regarded as relative           3       Av/A
                     atomic mass?
                     b) The relative atomic mass of nitrogen is 14. Explain this
                     statement

                                                                          th
           Q.4       Why are the masses of atoms compared with 1/12  of the mass of  3                D/A
                       12
                     C ?
           Q.5       a) Write the relative atomic masses of the following elements            5       Av/A
                     i) Oxygen
                     ii) Nitrogen
                     iii) Sodium
                     b)The relative atomic mass of hydrogen is 1 amu. Explain this
                     statement









































               2
   1   2