The image shows a periodic table with the principle groups, and shows the electronegativity of each atom. This is useful when determining the polarity of a substance. Which of the following bonds is classified as a polar covalent bond?

SELECT all that apply:

a. S-O
b. K-Cl
c. Br-Br
d. C-F

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.