10. Chemical Bonding

A compound of gallium with chlorine has a melting point of 77°C and a boiling point of 201°C. Is the compound ionic or covalent? What is a likely formula?

In general chemistry, what is the smallest unit of a covalent compound that retains the compound’s chemical identity?

Identify the bonds formed between the following pairs of atoms as either covalent or ionic. d. Zinc and fluorine

Which of the following compounds is most likely to be covalent (molecular) rather than ionic?

In a water molecule, what holds the hydrogen atoms to the oxygen atom?

In the context of covalent bonding, which species does an electron repel due to electrostatic (Coulombic) forces?

What is a coordinate covalent bond, and how does it differ from a covalent bond?

Which of the following compounds contain ionic bonds? Which contain covalent bonds? Which contain coordinate covalent bonds? (A compound may contain more than one type of bond.) a. BaCl₂

Which of the following contains a coordinate covalent bond? (Hint: How many covalent bonds would you expect the central atom (underlined/bold) to form?) a. PbCl₂ b. Cu (NH₃)₄²⁺ c. NH⁺₄

Which of the following elements would you expect to form (iv) both covalent and ionic bonds? (More than one answer may apply; remember that some nonmetals can form ionic bonds with metals.) Explain your answers. a.Oxygen b.Potassium c.Phosphorus d.Iodine e.Hydrogen f.Cesium