CART - Chemistry Acceleration Readiness Chemical Bonding and Nomenclature Questions and Answers

Question 1

Which of the following compounds requires a Roman numeral in its name?

Accepted Answer

FeCl₃

Answer

BaCl₂

Answer

Al₂O₃

Answer

Na₂S

Question 2

A chemist is analyzing a substance and finds that it is composed of atoms that share electrons to form discrete molecules. The electronegativity difference between the bonded atoms is 1.2. How should this substance's bonding be classified?

Accepted Answer

Polar covalent

Answer

Ionic

Answer

Nonpolar covalent

Answer

Metallic

Question 3

What is the correct chemical formula for the ionic compound formed between magnesium and the phosphate polyatomic ion?

Accepted Answer

Mg₃(PO₄)₂

Answer

MgPO₄

Answer

Mg₂(PO₄)₃

Answer

Mg(PO₄)₂

Question 4

Which of the following correctly names the covalent compound N₂O₅?

Accepted Answer

Dinitrogen pentoxide

Answer

Nitrogen oxide

Answer

Nitrogen(V) oxide

Answer

Dinitrogen oxide

Question 5

According to VSEPR theory, what is the molecular geometry of a molecule with a central atom that has two bonding pairs and two lone pairs of electrons?

Accepted Answer

Bent

Answer

Linear

Answer

Tetrahedral

Answer

Trigonal pyramidal

Question 6

What is the name of the polyatomic ion with the formula ClO₂⁻?

Accepted Answer

Chlorite

Answer

Perchlorate

Answer

Chlorate

Answer

Hypochlorite