Mendeleev arranged the elements according to increasing atomic mass. The modern periodic law says that the properties of the elements repeat periodically when the elements are arranged according to a certain trend. ... An incomplete set of atomic mass, density, and melting point data is given for three elements in a triad.
Answer:
c.enforce laws in the state
Answer:
USSR, Poland, East Germany, Albania (until 1968), Bulgaria, Czechoslovakia, Hungary and Romania.
Explanation:
Christians were first granted religious toleration by the Roman Emperor Constantine.
He actually became a Christian himself.
Ans: Pericles would remind Athenians, in the first year of the war, why it was important to defend democracy. Thus choosing to die resisting, rather than to live submitting, they . . . met danger face to face . . . So died these men as became Athenians.