Ions and Ionic Bonds

What is an ion?

• An electrically charged atom or group of atoms

• A neutral atom

• An atom with a full outer shell

• An atom that cannot bond

What are negative ions called?

• Anions

• Cations

• Electrons

• Protons

Which group of elements forms ions with a 2+ charge?

• Group 7

• Group 2

• Group 1

• Group 6

What type of bond is formed between positive and negative ions?

• Covalent bond

• Hydrogen bond

• Ionic bond

• Metallic bond

What is the formula for the ionic compound formed between sodium and chlorine?

• NaCl

• Na2Cl

• ClNa

• NaCl2

What is the charge of a sodium ion after it loses one electron?

• 2+

• 1+

• 0

• 1-

What is the structure of ionic compounds?

• A giant lattice structure

• A random arrangement of atoms

• A linear arrangement of atoms

• A single layer of atoms

Which of the following properties is true for ionic compounds?

• They are good conductors of electricity in solid form

• They are solid at room temperature

• They have low melting and boiling points

• They are usually gases at room temperature

What happens to ionic compounds when they are melted?

• They conduct electricity

• They evaporate

• They become solid

• They lose their charge

What is the charge of a chloride ion after it gains one electron?

• 1+

• 2+

• 0

• 1-