The energy absorbed by each molecule $(A_2)$of a substance is $4.4 × 10^{–19 }J$ and bond energy per molecule is $4.0 × 10^{–19 }J$. The kinetic energy of the molecule per atom will be :

Question

( A ) $4\times 10^{–19} J$
( B ) $4.0\times 10^{–20 } J$
( C ) $2.0\times10^{–20}J$
( D ) $2.2\times 10^{–19} J$