Question about Arsenic Minerals and many rocks are formed through bonding of ato

Question

Question about Arsenic

Minerals and many rocks are formed through bonding of atoms of elements. To have a better understanding of rocks and minerals and their roles in humans daily lives, discuss the following topics as related to the element of arsenic.

1- Atomic structure of arsenic (number of electrons, protons, neutrons)

2- Isotopes of arsenic

3- Rocks and minerals contain arsenic

4- Usage of arsenic

5- Drinking water standards for arsenic

6- Health issues as related to arsenic

7- Arsenic in food and drinking water supplies

8- References used

Please address each section separately.

Explanation / Answer

The atomic number of arsenic is 33. It has 33 electrons and 33 protons. protons are (75-33) = 42.

There are atleast 10 isotopes of arsenic. Long lived arsenic is 33AS73

Rocks containing arsenic are mammlary and Stalactite (normally observed in caves). Minerals are composite of iron (Arsenopyrite), cobalt (Coaltite), Copper (Enargite), Silver (Proustite).

used in war equipments, as colouring agents, agricultural products, making batteries & medical purpose.

The drinking standard are 5 ppb (parts per billion). Anything major in drinking water can lead to cancer and other health issues.

arsenic in drinking water can lead to cancer of the bladder, lungs, skin, kidney, nasal passages, liver, and prostate. Non-cancer effects of ingesting arsenic include cardiovascular, pulmonary, immunological, neurological, and endocrine.

Arsenic occurs natually in the food items like rice and juicy fruits. Though they are not harmful but some food coloring materials use arsenic.

For reference please check wikipedia, arsenic regulation fact sheets etc.

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