Unit 2: Naming Ionic Compounds

Question 1

When writing an ionic compounds name or formula, what do we name first?

Answer 1

the cation then the anion

Question 2

What are the three different types of cations?

Answer 2

main group cations, polyatomic ions, and transition metal cations

Question 3

For main group elements the name of the cation is

Answer 3

the name of the element which makes the cation

Question 4

For polyatomic ions the name of the cation is

Answer 4

the name of the polyatomic ion listed in your chart

Question 5

In the IUPAC, rules for transition metal cations require that the name of the metal is followed

Answer 5

by a (roman numeral) which indicates it’s charge ie. Co2+ is cobalt(II)

Question 6

The classical (Latin) naming rules give each different transition metal ion its own

Answer 6

name ie. Fe2+ is ferrous

Question 7

The science community uses the ___ naming method and the medical field uses the ___ method.

Answer 7

modern (IUPAC), classic (Latin)

Question 8

How do we name main group ions?

Answer 8

1. Name the element the cation comes from
2. Name the element the anion comes from, with an -ide suffix.

Question 9

How do we name polyatomic ions?

Answer 9

Memorize the polyatomic ion name

Question 10

How do we name traditional metal ions?

Answer 10

Name the element the cation comes from, and add the ion charge as roman numerals in parentheses

Question 11

How do we name classical transition metal ions?

Answer 11

Use the defined names of transition metal ions

Question 12

Zinc is always assumed to be __, so you do not need to write it’s roman numeral

Answer 12

2+

Question 13

Silver is always assumed to be __, so you do not need to write it’s roman numeral

Answer 13

1+