Chemical Bonding Test

Element X has a Lewis dot structure that is shown here. Which of the following could be element X?

• F

• O

• S

• Fr

Element X has a Lewis dot structure that is shown here. Which of the following could be element X?

• F

• O

• S

• Kr

Element X has a Lewis dot structure that is shown here. Which of the following could be element X?

• F

• O

• Bi

• Rn

Element X has a Lewis dot structure that is shown here. Which of the following could be element X?

• Au

• R

• O

• Ra

Element X has a Lewis dot structure that is shown here. Which of the following could be element X?

• F

• Ba

• S

• Ne

• 
  Ionic bonds involve sharing electrons; covalent bonds involve transferring electrons.

• onic bonds involve only nonmetallic elements; covalent bonds involve metallic and nonmetallic elements.

• Ionic bonds involve transferring electrons; covalent bonds involve sharing electrons.

• 
  Ionic bonds involve sharing electrons; covalent bonds involve only metallic elements.

• It helps atoms gain protons.

• It provides a stable electron configuration.

• It allows atoms to lose neutrons.

• It makes atoms unstable.

• They have a full set of electrons in their outer shell.

• They have an unstable electron configuration.

• They lack electrons in their outer shell.

• They need more electrons to be stable.

• Covalent bond

• Ionic bond

• Metallic bond

• Hydrogen bond

• 
  They form a crystal lattice and are solid at room temperature.

• 
  They have low melting points.

• They are gases at room temperature.

• They do not conduct electricity when dissolved.