What is the ductility of zinc?

Which of the following statements is not true? • a. covalent compounds have low melting and boiling points. • ob. covalent bonds between atoms of a compound are relatively weak compared to bonds between molecules. • c. covalent bonds occur between nonmetals. • d. covalent compounds are often gases or liquids.

Reactions in cells take place at about a. 40°c b. 0° c. 100°c d. 60°c

How is the use of hydroelectric power related to the sun