Unit 3 Study Guide (w/some review questions too)

Ionic bonds form between metals and ____.

• metalloids
• metals
• nonmetals

What type of bond is this? Lithium with Fluorine?

• ionic
• covalent

What two types of atoms make a covalent bond?

• 2 Nonmetals
• 1 Nonmetal and 1 Metal
• 2 Metals
• 2 Noble Gases

Diatomic molecules form which type of chemical bond?

• ionic

• metallic

• polar

• covalent

Which formula represents a molecular substance?

• Al₂O₃

• CO

• CaO

• Li₂S

Name the ionic compound, LiCl

• lithium chlorine

• lithium chloride

• lithium chlorate

• lithium monochloride

What is the formula for diphosphorus pentoxide?

• P₂O₅

• PO₅

• P₅O₂

• Po₂O₅

What is the formula for magnesium chloride?

• MgCl
• Mg₂Cl
• MgCl₂
• Mg(ClO₃)₂

What is the name of the compound P₄S₁₀

• phosphorous sulfide

• tetraphosphide decasulfate

• phosphorous decasulfate

• tetraphosphorous decasulfide

 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