Which of the following statements about electronegativity is false? The numerical values for electronegativity have no units.
1) Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons.
2) Electronegativity values are used to predict the polarity of chemical bonds.
3) Electronegativity values can be determined experimentally or calculated using various scales.
4) The numerical values for electronegativity have units.
