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.
Steel is definitely stronger than ordinary iron. Steel is iron with a carbon content below 1.5% and mixed with several elements like manganese, chromium, molybdenum, nickel and silicon. Iron is an elemental material meaning there is only one kind of atom comprising its molecular structure.