ICP Unit 4 Test Review

The elements most likely to form more than 1 type of ion (multiple charges are possible) are the

• alkali metals

• alkaline earth metals

• halogens

• transition metals

What is the correct formula for magnesium oxide?

• Mgo

• MgO

• Mg₂O₂

• MnO

Which kind of bond is characterized by the attraction between the positive part of one polar molecule and the negative part of another molecule?

• hydrogen

• covalent

• metallic

• ionic

A single atom that has a net positive charge is called a(n)

• anion

• cation

• polyatomic ion

• binary compound

Florine forms an ionic compound with calcium. What is the name for this compound?

• floruine clacium

• calcium fluorine

• calcium fluroide

• fluroine calcide

Fluorine forms a compound with calcium. What is the formula for this compound?

• FCa

• CaF

• CaF₂

• FCa₂

Typically, atoms gain or lose electrons to achieve

• ionization

• stability

• vaporization

• energization

Which of the following statements correctly describes the substance with the formula KI?

• potassium iodide is a polyatomic ion

• molecules of KI contain potassium atoms sharing electrons with iodine atoms

• potassium iodide is a molecular compound

• there is a one to one ratio of potassium ions to iodide ions

When 2 atoms of the same element form a covalent bond, the result is a(n)

• polar molecule

• ionic bond

• polyatomic ion

• diatomic molecule

what is the charge on a radium ion?

• +2

• 0

• +1

• -2