Which pair of atoms would form a covalent bond ?
calcium (Ca) and bromine (Br)
rubidium (Rb) and sulfur (S)
cesium (Cs) and nitrogen (N)
oxygen (O) and chlorine (Cl)
calcium (Ca) and bromine (Br)
rubidium (Rb) and sulfur (S)
cesium (Cs) and nitrogen (N)
oxygen (O) and chlorine (Cl)