What is the atomic number of chlorine and it 's meaning ?
Chlorine and oxygen can bond in many different ways : chlorine monoxide ( ClO ) , chlorine ( II ) oxide chlorine dioxide ( ClO2 ) , chlorine ( IV ) oxide chlorine trioxide ( ClO3 ) , chlorine ( VI ) oxide dichlorine monoxide ( Cl2O ) , chlorine (I) oxide dichlorine dioxide ( Cl2O2 ) , chlorine (I) peroxide dichlorine trioxide ( Cl2O3 ) , chlorine ( I , V ) oxide dichlorine tetroxide , also known as chlorine perchlorate , ( ClOClO3 ) , chlorine ( I , VII ) oxide dichlorine hexoxide ( Cl2O6 ) , chlorine ( V , VII ) oxide dichlorine heptoxide ( Cl2O7 ) , chlorine ( VII ) oxide chlorine tetroxide , the peroxide (( OClO3 ) 2 ) , chlorine ( VII ) oxide peroxide In addition , a number of ions are chlorine oxides : chloryl ( ClO2 + ) perchloryl ( ClO3 + ) hypochlorite ( ClO -) chlorite ( ClO2 -) chlorate ( ClO3 -) perchlorate ( ClO4 -)