Today eight countries are possessing nuclear weapons. The five nuclear weapons states United States, Russia (former Soviet Union), United Kingdom, France and China, are the only countries allowed to have nuclear weapons according to the Non-Proliferation Treaty (NPT) from 1970.All members of the United Nations except Israel, India and Pakistan have signed the NPT.he five nuclear weapons states United States, Russia (former Soviet Union), United Kingdom, France and China, are the only countries allowed to have nuclear weapons according to the Non-Proliferation Treaty (NPT) from 1970. All members of the United Nations except Israel, India and Pakistan have signed the NPT.
User: The most common form of matter in the universe is _____. plasma gas liquid solid. Weegy: The most common form of matter in the universe is PLASMA. User: The state of matter with a specific volume but no definite shape is the _____ state. plasma gas liquid solid. Log in to see more information.
There are a lots of elements in the universe. There are heavy as well as light elements found in the universe depending upon the atomic number of the these elements. Here is the list of top ten 10 âMost Common Elements In The Universeâ. Because of the their presense in other particles in large numbers, they are also âMost Abundant Elements In The Universeâ . Hydrogen is the most abundant or most common in the universe.