‘M’ is the only liquid metal in modern periodic table. ‘Y’ is the only liquid non-metal in modern periodic table.Formula of the compound formed by ‘M’ and ‘Y’ would be

‘Hg’ is the only liquid metal in modern periodic table. ‘Br’ is the only liquid non-metal in modern periodic table.Formula of the compound formed by ‘M’ and ‘Y’ would be MY₂…….HgBr₂ ;