Arsenic is a chemical element; it has symbol As and atomic number 33. It is a metalloid and one of the pnictogens, and therefore shares many properties with its group 15 neighbors phosphorus and antimony. Arsenic is notoriously toxic.

Dec 7, 2022 · Arsenic is one of WHO’s 10 chemicals of major public health concern. WHO’s work to reduce arsenic exposure includes setting guideline values, reviewing evidence and providing risk management recommendations. WHO publishes a guideline value for arsenic in its Guidelines for drinking-water quality. The Guidelines are intended for use as the ...

Apr 24, 2018 · Arsenic poisoning, or arsenicosis, occurs after the ingestion or inhalation of high levels of arsenic. Arsenic is a type of carcinogen that’s gray, silver, or white in color.

Mar 20, 2025 · By the 18th century, arsenic was well known as a unique semimetal. Occurrence and distribution. The abundance of arsenic in the Earth’s crust is about five grams per ton; the cosmic abundance is estimated as about four atoms per million atoms of silicon. The element is widely distributed.

Feb 10, 2023 · Arsenic poisoning can occur when you take in high levels of arsenic. Drinking contaminated water causes most cases. Symptoms of immediate arsenic poisoning include nausea, vomiting and diarrhea.

Jun 4, 2024 · Arsenic is a naturally occurring element that is widely distributed in the Earth’s crust. It is found in water, air, food, and soil. Exposure to arsenic affects human health.

Arsenic is a known human carcinogen associated with . skin, lung, bladder, kidney, and liver cancer. 3. Long-term . exposure to arsenic, even at lower levels, can increase the risk of other types of chronic disease. 4. Arsenic can affect a broad range of organs and systems . including: • Cardiovascular system • Endocrine system • Immune ...

Arsenic is an element that is widely distributed in the earth's crust. Elemental arsenic is ordinarily a steel grey metal-like material that sometimes occurs naturally. However, arsenic is usually found in the environment combined with other elements such as oxygen, chlorine, and sulfur.

Aug 16, 2024 · Arsenic is a gray-appearing chemical element (atomic number 33, symbol "As" in the periodic table) also termed a metalloid. Arsenic can exist in a metallic state in three forms (yellow, black, and gray; with gray predominating) and in ionic forms.

Jan 4, 2018 · Arsenic poisoning, or arsenicosis, happens when a person takes in dangerous levels of arsenic. Arsenic is a natural semi-metallic chemical that is found all over the world in groundwater.