<span>Phosphorus trifluoride (formula PF3), is a colorless and odorless gas. is similar to carbon monoxide and this is very toxic according to my research. hope this helps.</span>
Answer:
Explanation:
The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons. They are the electrons involved in chemical bonds with other elements. Every element in the first column (group one) has one electron in its outer shell.
Answer:
Liquid helium
Explanation:
Liquid helium is known to be the coldest element in the world.
It has a ridiculous boiling point of -452 degrees
It is considered the only element on earth that does not freeze to become solid. normally, it is usually in a form of cryogenic fluid or superfluid.
Hence, the coldest element is known as LIQUID HELIUM
Answer:
calcium hydroxide.............
Answer:
D. section of DNA that codes for a specific trait
Explanation:
Genes are sections of the DNA that codes for a specific trait. They are simply defined as the basic physical and functional unit of hereditary.
- Genes are usually found encoded in the DNA.
- The effects produced by genes result from their coordination of certain protein synthesis activities.
- Inheritance is attained when genes are passed from parents to offspring.
