Question 1141
Which of the following first-row transition metal ions appears yellow in aqueous solution?
Question 1142
Which of the following first-row transition metal ions appears pink in aqueous solution?
Question 1143
Which of the following first-row transition metal ions appears violet in aqueous solution?
Question 1144
Which of the following first-row transition metal ions appears green in aqueous solution?
Question 1145
Which of the following first-row transition metal ions appears blue in aqueous solution?