isbelalarreynaga isbelalarreynaga

20-05-2021
Biology

contestada

4 elements that are never found in nature and only made by people

Respuesta :

20-10-2021

Answer: Halogen Family

The elements in this family are fluorine, chlorine, bromine, iodine, and astatine.

They are the most active non-metals. They are never found free in nature.

They react with alkali metals to form salts.

Explanation:

Answer Link

Otras preguntas

How are the organelles of a single cell like the organs of a multicellular organism?

What is the role of the ozone? A. it protects earth's surface from dangerous radiations B. it reflects the sun's energy. C. it is the source of rain clouds D. i

Which concerns of the Anti-Federalists were satisfactorily resolved in the Constitution?

Explain the "cultural independence" that Jeffersonian Americans sought. What means of expression did this "independence" find?

Were efforts by the U.S. government to assimilate Native Americans into American culture a success? Defend your answer with details.

If a sugar compound has 11 oxygen atoms how many hydrogen atoms does it contain

Product A is a 12-ounce bottle of generic popcorn oil that sells for $1.39. Product B is a 24-ounce popcorn oil bottle that costs $2.79. Which is the better

Two grams of potassium chloride are completely dissolved in a sample of water in a beaker. This solution is classified as 1. an element 2. a compound 3. a homo

How were colonial governments organized?

How could a legislature restrain a monarch and establish limited government?