What are the three (3) things involved in stoichiometry problems???

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.

What was the procedure by which case united states vs lopez went to court

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.