Which of the following is true of carbon?
A) It forms only polar molecules.
B) It can form a maximum of three covalent bonds with other elements.
C) It is highly electronegative.
D) It can form both polar and nonpolar bonds.
Answer: D
You might also like to view...
In a phototropism, auxin moves to the ____ side of the stem and causes cell ____
a. shade; elongation b. sun; elongation c. sun; division d. shade; division e. shade; shrinkage
The double helix model of DNA structure was proposed by
A. Chargaff. B. Griffith. C. Franklin. D. Watson and Crick. E. Avery.
Dolphins (which are mammals) and sharks (which are fish) have stiff dorsal fins projecting from their backs that help them maneuver through water. These relationships of structures to each other are best described as
A) vestigial structures. B) homologous structures. C) mutations. D) analogous structures.
An effective vaccine is available to prevent (gonorrhea/salmonellosis/typhoid).
Fill in the blank(s) with the appropriate word(s).