Differentiating Ionic and Molecular Compounds

What type of elements make up ionic compounds?

• Only nonmetals

• Metalloids and nonmetals

• Metals and nonmetals

• Only metals

Which of the following is a molecular compound?

• Lithium Nitrate

• Sodium Chloride

• Copper (II) Fluoride

• Sulfur Dioxide

Tags

NGSS.MS-PS1-1

Why is H2O considered a molecular compound?

• Because it contains only nonmetals

• Because it contains a metal and a nonmetal

• Because it contains a metal and a metalloid

• Because it contains only metals

Tags

NGSS.MS-PS1-1

What makes Lithium Nitrate an ionic compound?

• It contains a metalloid and a nonmetal

• It contains only nonmetals

• It contains a metal and a nonmetal

• It contains only metals

Which of the following is an example of a polyatomic ionic compound?

• Water

• Lithium Nitrate

• Sodium Chloride

• Sulfur Dioxide

How are atoms held together in molecular compounds?

• By sharing electrons

• By stealing electrons

• By nuclear forces

• By magnetic attraction

What happens to electrons in ionic compounds?

• They are shared unequally

• They are stolen by one atom

• They are shared equally

• They are not involved

What is a lattice structure?

• A clump of molecules

• A regular, organized arrangement of atoms

• A random arrangement of atoms

• A single molecule

Tags

NGSS.HS-PS1-3

How do molecular compounds behave when dissolved in water?

• They form a lattice structure

• They come apart into molecules

• They come apart into individual atoms

• They do not dissolve

What is the main difference between ionic and molecular compounds in terms of atomic structure?

• Both are made of molecules

• Molecular compounds are made of molecules, ionic compounds are made of lattice structures

• Both are made of lattice structures

• Ionic compounds are made of molecules, molecular compounds are made of lattice structures