1) they have similar chemical properties.
for example fluorine from the 17th column is a non metal so does all the elements of that group.
2)they have same valence electrons in their outermost shell
example
electronic configuration of
hydrogen 1, lithium 2,1, sodium 2,8,1 and so on.
3) have same valency.
Answer:
the cours during the stage of the cell cycle which includes prophase, metaphase, anaphase, and telophase. Which stage of
The cell cycle is this
Explanation:
Cancer: An abnormal growth of cells which tend to proliferate in an uncontrolled way and, in some cases, to metastasize (spread). Cancer is not one disease. It is a group of more than 100 different and distinctive diseases. Cancer can involve any tissue of the body and have many different forms in each body area.
im pretty sure it is the first one
Answer:
A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea.
Answer:
La mayoría de los productos energéticos que se consumen en la vida cotidiana, como por ejemplo el butano, el gas natural, o los combustibles líquidos
Explanation:
La mayoría de los productos energéticos que se consumen en la vida cotidiana, como por ejemplo el butano, el gas natural, o los combustibles líquidos
