which pair of atoms would form a covalent bond?\ncalcium (ca) and bromine (br)\nrubidium (rb) and sulfur…

which pair of atoms would form a covalent bond?\ncalcium (ca) and bromine (br)\nrubidium (rb) and sulfur (s)\ncesium (cs) and nitrogen (n)\noxygen (o) and chlorine (cl)

which pair of atoms would form a covalent bond?\ncalcium (ca) and bromine (br)\nrubidium (rb) and sulfur (s)\ncesium (cs) and nitrogen (n)\noxygen (o) and chlorine (cl)

Answer

Explanation:

Step1: Recall the nature of covalent bonds

Covalent bonds form between non - metals. Ionic bonds form between metals and non - metals.

Step2: Analyze each option

  • Option 1: calcium (Ca) and bromine (Br) Ca is a metal (group 2A) and Br is a non - metal (group 7A). They will form an ionic bond.
  • Option 2: rubidium (Rb) and sulfur (S) Rb is a metal (group 1A) and S is a non - metal (group 6A). They will form an ionic bond.
  • Option 3: cesium (Cs) and nitrogen (N) Cs is a metal (group 1A) and N is a non - metal (group 5A). They will form an ionic bond.
  • Option 4: oxygen (O) and chlorine (Cl) Both O (group 6A) and Cl (group 7A) are non - metals. They will form a covalent bond.

Answer:

oxygen (O) and chlorine (Cl)