MARINADE: Combine lemon juice, soy sauce, oil, chili sauce, garlic, pepper, celery seed and mustard. Stir well, set aside. Cut chicken wings at joint and remove wing tips. Place chicken in baking dish.
Pour marinade over chicken. Cover, refrigerate at least 4 hours or overnight. Drain and place on broiler tray. Broil about 10 minutes each side with tray about 7 inches from heating element. Brush occasionally with marinade.