: :
(1) What is the electron_affinity of Cr?
(2) What is the electron_affinity of C?
(3) What is the electron_affinity of N?
(4) What is the electron_affinity of Ti?
(5) What is the electron_affinity of H?
(6) What is the electron_affinity of Al?
(7) What is the electron_affinity of Cl?
(8) What is the electron_affinity of Ca?
(9) What is the electron_affinity of Be?
(10) What is the electron_affinity of Mg?