Multiple choice

The isotope used for determining the age of water is

  1. chlorine-36

  2. magnesium-27

  3. lead-210 beta 22

  4. potassium-40

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Chlorine-36 emitts beta particles.Its half life is 301,000 years.It is used in the measurement of sources of chloride and determining the age of water up to about 2 million years old.It is a naturally occurring radioisotope .