Which of the following are the values of electron affinities in kJ/mol for the formation of O^(-) and O^(2-) from O ?

Which of the following are the values of electron affinities in kJ/mol

1.	Which of the following are the values of electron affinities in kJ/mol for the formation of O^(-) and O^(2-) from O ?
Answer» `-142, -702` `–141, 702` `142, 702` `-142, -142` ANSWER :B