Explain why the element sodium (Na) has the property of being highly reactive with water but sodium chloride (NaCl) does not share this same property

Yup no bull frogs here man

The answer is 4f======since electrostatic force is given by    we let f be the electrostatic force when  r = 1 m    if we let  denote the electrostatic force when the distance is decreased so that r = 0.5m, then    we established earlier that f = kq₁q₂. therefore    the force will now be 4f.