Free Printable IUPAC Nomenclature (Naming and Formula Writing)

Worksheets

IUPAC Nomenclature (Naming and Formula Writing)

Total questions: 36

Worksheet time: 47mins

Name

Class

Date

When should prefixes be used in the name of a compound?

When the elements are all metals

When the elements are all nonmetals

When the elements are metals and nonmetals

What do the prefixes in a compound name represent?

The number of atoms of an element in a formula

The charges of the ions

The number of ions in a formula

Which prefix should be used with this atom: N₇

tetra

penta

nona

hepta

When should the charges of an ion be found to determine the formula of a compound?

When the elements are all metals

When the elements are all nonmetals

When the elements are metals and nonmetals

Ionic compounds are written with

cation (+ ion) first then anion (- ion)

anion (- ion) first then cation (+ ion)

either way is fine

polyatomic ions first

If we have the following ions, (K⁺, O^-2), which is the correct chemical formula?

K₂O

K_-2O₂

O₂K

If we have the following ions (Ca⁺², O^-2), which is the correct chemical formula?

CaO

OCa

Ca_-2O₊₂

Ca₂O₂

Silicon dioxide is the compound in sand. What is its formula?

SO₂

NaO₂

SiO₂

SiO

Na⁺and S ^-2

Na₂S

NaS₂

Na₂S₂

NaS

10.

The chemical formula for an ionic compound of potassium and oxygen is

KO.

K₂O.

K₂O₂.

KO₂.

11.

Li₂O

Dilithium oxideDilithium oxide

Lithium oxide

Lithium dioxide

12.

What is the formula for magnesium phosphide?

Mg₃P₂

Mg₂P₃

Mg₂PO₃

Mg₃(PO₃)₂

13.

What is the formula for aluminum fluoride?

AlF

Al₂F₃

AlF₃

Al₃F₂

14.

What is the correct formula for the compound, lithium oxide?

LiO

Li₂O

LiO₂

Li₂O₂

15.

What is the formula for the compound formed by magnesium ions and nitrogen ions?

MgN

Mg₂N₃

Mg₃N₂

MgN₃

16.

In most cases, when naming you change the ending of the second element to ________.

-ate.

-ite.

-ide.

-ine.

17.

Name the following compound: K₂O

Oxygen potasside

Potassium oxide

Potassium II oxide

Potassium dioxide

18.

SiCl₄

silicon tetrachloride

silicon quadchloride

monosilicon tetrachloride

silicon chloride

19.

What is the name of N₂O₃

Nitrogen trioxide

Dinitrogen oxide

Dinitrogen trioxide

Nitrogen oxide

20.

What is the name of C₃Cl₈?

Carbon octachloride

Tricarbon octachloride

Carbon trichloride

Octacarbon trichloride

21.

What is the OFFICIAL name for H₂O

Hydrogen Oxide

Oxygen Dinitride

Agua

Dihydrogen Monoxide

22.

BrO₃

bromine oxide

monobromine trioxide

bromine trioxide

bromine (III) oxide

23.

The name of P₄S₁₀ is

phosphorous sulfide

phosphorus sulfide

tetraphosphorus decasulfide

phosphorus (X) sulfide

24.

The name of SO₃ compound is

sulfate

sulfur oxide

sulfur trioxide

monosulfur trioxide

25.

What is the correct name for C₄H₆?

Carbon Hexahydride

Pentacarbon Pentahydride

Hexacarbon Tetrahydride

Tetracarbon Hexahydride

26.

How many Chlorine atoms should bond with one Aluminum atom?

27.

How many Oxygen atoms should bond with one Magnesium atom?

28.

How do you write the formula for Sodium Chloride?

NACL

NaCl

nacl

29.

Which pair of elements should form an ionic bond?

Carbon and Oxygen

Sodium and Fluorine

Iron and Chromium

Xenon and Silicon

30.

What type of bond is formed between carbon and oxygen?

covalent

ionic

metallic

antibonding

31.

nitrogen tribromide

N₂Br₃

NBr₃

NO₃Br

NBr

32.

sulfur dioxide

SO₆

SO₂

O₂S

(SO₄)O₂

33.

dichlorine monoxide

Cl₂O

OCl

ClO

ClO₂

34.

dinitrogen tetrafluoride

(NO₃)₂F₄

N₂Fl₄

N₂F₄

NFl

35.

The following picture shows a compound that has ...

Covalent bonding

Ionic bonding

Metallic bonding

36.

The following diagram shows compounds that experience...