Bonding Regents Review

Which of the pair of elements form an ionic bond?

• Magnesium and Oxygen

• Magnesium and Sodium

• Iron and Zinc

• Nitrogen and Hydrogen

How many valence electrons are shown in the diagram?

• 16

• 7

• 6

• 2

TRUE OR FALSE: Ionic compounds have high boiling points because they consist of a strong ionic bond.

• TRUE

• FALSE

How do covalent bonds form?

• Donating & receiving valence e- between atoms.
• Opposite slight charges attract each other between compounds.
• Scientists are still not sure how they form.
• Sharing valence e- between atoms.

What is the basis of a metallic bond?

• the attraction of neutral metal atoms.
• the attraction between protons and neutrons.
• the attraction between positive metal ions and interlocking electrons.
• the attraction between positive metal ions and free floating electrons.

The ability of a material to be shaped in all directions without cracking or breaking.

• hardness
• ductility
• malleability
• conductivity

What type of bond is illustrated above?

• Metallic
• Ionic
• Covalent
• Wiggly

What is the VSEPR theory used to predict?

• Bond Strength
• Polarity
• Molecular Shape
• Electronegativity

 A lone pair is defined as

• A pair of bonding electrons
• One non-bonding electron
• A pair of non-bonding electrons
• A pair of electrons on the central atom

Choose the correct shape for this molecule:

• Trigonal planar
• Trigonal pyramidal
• Bent
• Tetrahedral