Which element is most common dissolved in seawater?
A)sodium
B)chlorine
C)magnesium
D)gold

Question

Quizplus · Accepted Answer

Chlorine is the most common dissolved element in seawater, making up approximately 55% of the dissolved ions in seawater. Sodium is the second-most common dissolved element, making up approximately 30% of the dissolved ions. Magnesium is the third-most common, making up approximately 3%. Gold is not commonly found in seawater.

Which Element Is Most Common Dissolved in Seawater