Question

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern.

A. sodium ion
B. calcium ion
C. potassium ion
D. hydrogen ion
E. magnesium ion

Answer 1

The majority of the words/phrases listed are different ions, except for option E, which includes two different ions.

Step-by-step explanation:

The majority of the words/phrases listed are different ions, except for option E, which includes the phrase 'the copper(I) ion or the cuprous ion.' This option is different because it includes two different ions, while the other options only include one ion each.