| Name Germanium | Melting Point 937.4° C | Boiling Point 2830.0° C | Density 5.323 grams per cubic centimeter | Normal Phase Solid |
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Is GE a neutral atom?
Germanium atoms have 32 electrons and the shell structure is 2.8. 18.4. The ground state electron configuration of ground state gaseous neutral germanium is [Ar].
What is the phase of germanium?
| Germanium | Phase at STP solid | Melting point 1211.40 K (938.25 °C, 1720.85 °F) | Boiling point 3106 K (2833 °C, 5131 °F) | Density (near r.t. ) 5.323 g/cm 3 |
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What is the charge of germanium?
| Number Element Charge | 31 gallium 3+ | 32 germanium 4-, 2+, 4+ | 33 arsenic 3-, 3+, 5+ | 34 selenium 2-, 4+, 6+ |
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What is the normal phase of gallium?
| Name Gallium | Melting Point 29.78° C | Boiling Point 2403.0° C | Density 5.907 grams per cubic centimeter | Normal Phase Solid |
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Does the human body use germanium?
Germanium is a chemical element. People sometimes use it as medicine. Despite serious safety concerns, germanium is used for cancer, heart disease, hepatitis, glaucoma , and other conditions. But there is no good scientific evidence to support these or other uses.
What are the benefits of germanium?
There have been claims that germanium may be beneficial for health, including improving the immune system, oxygen supply in the body , and destroying free radicals. According to Healthline, germanium has also been considered to be beneficial in treating allergies, asthma, arthritis, HIV/AIDS and various forms of cancer.
How many electrons does arsenic have in a neutral atom?
Arsenic has an atomic number of 33. That means it has 33 protons in its nucleus and 33 electrons buzzing around the nucleus, when it is uncharged.
Which best explains why ionization energy tends to decrease?
The ionization energy decreases because the full s orbital shields the electron entering the p orbital . ... Electrons get farther from the nucleus. When electrons are removed from the outermost shell of a calcium atom, the atom becomes. a cation that has a smaller radius than the atom.
Is germanium harmful 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. Signs of kidney dysfunction, kidney tubular degeneration, and germanium accumulation were observed.
Where is germanium used?
The largest use of germanium is in the semiconductor industry . When doped with small amounts of arsenic, gallium, indium, antimony or phosphorus, germanium is used to make transistors for use in electronic devices. Germanium is also used to create alloys and as a phosphor in fluorescent lamps.
Can you play with gallium?
Gallium is a silvery metal and element number 31 on the Periodic Table, and it melts at 85.6 degrees Fahrenheit. That’s a temperature low enough for gallium to melt in your hand — and unlike the liquid metal mercury, gallium is safe to play with , according to chemists.
Why is gallium useful?
It has important uses in Blu-ray technology, mobile phones, blue and green LEDs and pressure sensors for touch switches. Gallium readily alloys with most metals. It is particularly used in low-melting alloys. It has a high boiling point , which makes it ideal for recording temperatures that would vaporise a thermometer.
What does gallium look like?
Gallium is silvery white and soft enough to be cut with a knife . It takes on a bluish tinge because of superficial oxidation. Unusual for its low melting point (about 30 °C [86 °F]), gallium also expands upon solidification and supercools readily, remaining a liquid at temperatures as low as 0 °C (32 °F).
