chief of state. n. pl. chiefs of state. The formal head of a nation, distinct from the head of the government. Also called head of state. chiefâ² of stateâ² n. the titular head of a nation, as a president or king. Thesaurus Antonyms Related Words Synonyms Legend: Switch to new thesaurus . Noun: 1.
Strength is an important quality in the use of metals. This is especially true in construction, transportation, heavy industry and tool making. Metal alloys are often stronger than a metal in their pure form. In discussing the strongest metals, we should first consider what we mean by strength.
The strong force is indeed very strong, because it holds the nucleus of the atom together, even through electrostatic repulsion between positive electrons wants to pull it apart. The strong force only works in the nucleus of the atom. This is because it has a very short range.