Germanium is the third element of the fourteenth column of the periodic table. ... It is similar in properties to the other metalloids near it in the periodic table which are silicon and arsenic .
What element is most similar to germanium?
What element is most similar to germanium? It is a lustrous, hard-brittle, grayish-white metalloid in the carbon group, chemically similar to its group neighbors silicon and tin. Pure germanium is a semiconductor with an appearance similar to elemental silicon.
What element is closest to arsenic?
I would say Antimony (Sb) . Similar chemical properties are usually found within the same column of the periodic table. Look at the element above and below arsenic. I chose Sb since it is also a metaloid and Phosphorus is a nonmetal.
Are arsenic and selenium similar?
Se and As are both metalloids with similar chemical properties , playing dual roles regarding cancer. Arsenic is known for its carcinogenicity, yet it is also used in treating certain cancers. Similarly, Se is a known anticarcinogen, but it also triggers cancer.
What is the other name of germanium?
Germanium ( Ge ), a chemical element between silicon and tin in Group 14 (IVa) of the periodic table, a silvery-gray metalloid
Is arsenic good for anything?
It could play a role in the development of diabetes, cancer, vascular disease and lung disease. The Food and Drug Administration says that long-term exposure to high levels of arsenic is associated with higher rates of skin cancer , bladder cancer and lung cancer, as well as heart disease.
What does arsenic do to humans?
Long-term exposure to arsenic from drinking-water and food can cause cancer and skin lesions . It has also been associated with cardiovascular disease and diabetes. In utero and early childhood exposure has been linked to negative impacts on cognitive development and increased deaths in young adults.
What is the Valency of arsenic?
In arsenic acid, arsenic has a valence state of +5 , so in addition to the three bonds it forms with the OH groups, it also makes a double bond with the remaining oxygen atom in the formula.
Is germanium toxic to humans?
Germanium is not an essential element. Its acute toxicity is low . However, at least 31 reported human cases linked prolonged intake of germanium products with renal failure and even death.
Is germanium man made or natural?
Germanium is not found as the free element in nature . Germanium is found in germanite, argyrodite, and some zinc ores. It is also present in coal and its presence in coal insures reserves for many years.
Where is germanium found on Earth?
Germanium is primarily mined with zinc ore as well as with argyrodite, germanite, and coal according to the Los Alamos National Laboratory. According to Chemistry Explained, germanium is mined in Alaska, Tennessee, China, the United Kingdom, Ukraine, Russia and Belgium .
What does arsenic taste like?
“ Arsenic has no taste, smell or color . It is in foods and beverages, drinking water, soil, pressure treated wood and cigarettes. Learn about the potential sources of arsenic in your daily life, and make simple changes to keep your arsenic exposure as low as possible to protect your long-term health.”
Do humans need arsenic?
In fact, if arsenic is essential for humans, its recommended daily intake would be little different from selenium, which is so important that evolution incorporated it into the rare amino acid selenocysteine—the crucial component of the antioxidizing selenoproteins that help to repair other proteins from oxidative ...
Is rice full of arsenic?
Arsenic is known to accumulate in rice at higher levels than in other crops, and is estimated to absorb up to 10 times the amount of other grains. The arsenic content in rice varies according to the type of rice, where its grown, how it has been processed and how it has been cooked.
Does arsenic stay in your body?
Both inorganic and organic forms leave your body in your urine. Most of the inorganic arsenic will be gone within several days , although some will remain in your body for several months or even longer. If you are exposed to organic arsenic, most of it will leave your body within several days.
What foods contain the most arsenic?
Among other foods tested by the US Food and Drug Administration, vegetables and rice have the highest levels of the toxic inorganic form of arsenic. Other foods and fruits, including apples and grapes, also contribute small amounts of arsenic to the human diet.
