I'll try.
On what basis does God send someone to hell? My answer is sin.
Another poster said it was only the sin of unbelief.
He also said all sin has been atoned for.
Unbelief is a sin. But Unbelief can be forgiven. Otherwise, no one could be saved as we were all once unbelievers.
So logically it follows that if all sin is paid for and sins are what merit hell, everyone in hell is there inspite of the fact that all their sins have been paid for.
Is that what you believe?
maybe this will help
there is a band of 100 people. who are ruled by a righteous person. In denial. all 100 people reject the ruler and decide they will be their own ruler. out of this comes a multitude of sin. and all of them, based on the law of the place are found guilty and sentenced to pay for their crimes
but the righteous ruler loves his 100 people. so he ends up paying for all of their crimes so they could be set free. But he also loves them enough to give them the change to reject his love and remain in their sin. in the end 50 people humble themselves and recieve the salvation the ruler offered them, while th eother 50 refused to repent and remained in their sin
in the end, the 50 people who rejected the ruler (unbelief) were condemned
the 50 who receved the rulers forgiveness because they learned and came to trust in him were not condemned
Who earned there just reward?
the ones who were saved because they believed
or the ones who were condemned because they rejected?