Arsenic: biological information

Biological role of arsenic: arsenic, despite its poisonous reputation, may be a necessary ultratrace element for humans. It is a necessary ultratrace element for red algae, chickens, rats, goats, and pigs. A deficiency results in inhibited growth.

Levels in humans

Table: the abundances of the elements in humans.
Human abundance by weight 50 ppb by weight
Human abundance by atoms 4 atoms relative to C = 1000000

How much arsenic is in your body? Find out here.

You can use this form to calculate how much arsenic your body contains. Enter your weight in either kilograms or pounds and click the "Calculate" button. You must enter a number, not text! Elements for which there are no data will always give a value of zero for the weight, no matter what you put in the weight box.

Calculate how much arsenic is in your body
Enter your weight here: You contain about : grams of arsenic

Hazards and Risks

Hazards and risks associated with arsenic: arsenic compounds are very poisonous to plants and animals. Arsenic compounds cause cancer and may be teratogenic.

WebElements Shop

WebElements now has a WebElements shop at which you can buy periodic table posters, mugs, T-shirts, games, fridge magnets, molecular models, and more.

Periodic Table fridge magnets Periodic Table fridge magnets
Buy our periodic table fridge magnets here

WebElements poster Periodic table t-shirts Periodic table mouse mats Molymod molecular model kits Chemistry educational resources

arsenic atomic number