27a 'It's not a straight case of adding two atoms of sodium to one of barium' B?N?N?
1d 'Could showground character possibly be a boxer? B?R?E?
2d' Bad feeling of tot in a position that's upside down' A?I?U?
6d 'Might Gates earn cents - being broke' ??????C?S
7d 'Catholic order holds Ulster's leaders in bearlike hug' ??????N?