Each column is called a group. The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons.
we use english language as a universal language because it makes our life easier and comfortsble
Explanation:
English language is a universal language beacause english language is spoken all over the world. English language can be understood by all the people of all the country. This language is used to dolve the problem of one country to another country.
Answer:
When the sniper examines the body he discovers that he has killed his own brother.
Explanation:
Answer:
C
Explanation:
open and secret contradict each other
