Chemical Bonding Quiz

A charged particle that has gained or lost electrons is called a _____.

• molecule
• ion
• isotope
• element

In the compound aluminum oxide, which is the cation?

• Al⁺³
• Al
• O^-2
• O

Ionic bonds form between metals and ____.

• metalloids
• metals
• nonmetals

What determines how ionic bonds will form?

• Number of protons
• Mass of the atom
• Number of total electrons
• Number of valence electrons

Ionic bonds happen because of the ____ of valence electrons.

• sharing
• transfer

Magnesium bromide is an ionic compound with the chemical formula MgBr₂.  What does the "2" tell you?

• There are 2 bromide ions for every magnesium ion
• Bromide has a 2- charge
• Bromide has a 2+ charge
• There are 2 magnesium ions to every bromide ion

Covalent Compounds HAVE a positive (+) or negative (-) charge 

• True
• False
• Que onda, Hagerman? 
• What was that now? 

Ionic Compounds HAVE a positive (+) or negative (-) charge 

• True
• False
• Que onda, Hagerman? 
• What was that now? 

CO₂

• Ionic
• Covalent
• Polyatomic Ion 
• Metallic 

MgCl₂

• Ionic
• Covalent
• Polyatomic Ion
• Metallic