Metal example sentences

Thus, the metallic character of an element, which is highest at the extremely left decreases and the non-metallic character increases while moving from left to right across the period.The result of this pricespecie- flow (precious metals were referred to as 'specie' in the eighteenth century) mechanism is normally to improve the BoP of the country losing gold, and worsen that of the country with the favourable trade balance, until equilibrium in international trade is re-established at relative prices that keep imports and exports in balance with no further net gold flow.Bell metal contains a greater proportion of tin than other kinds of bronze.Ferrous minerals account for about threefourths of the total value of the production of metallic minerals.For flow of charges in a conducting metallic wire, the gravity, of course, has no role to play; the electrons move only if there is a difference of electric pressure – called the potential difference – along the conductor.Major metallic minerals like tin, copper, zinc and lead etc.Elements which lie at the border line between metals and non-metals (e.g., Si, Ge, As) are called metalloids or semi-metals.Acid rain damages buildings and other structures made of stone or metal.Almost everything we use is either made of iron or steel or has been made with tools and machinery of these metals.This change from nonmetallic to metallic character brings diversity in the chemistry of these elements depending on the group to which they belong.Where do these metals come from? You have studied that the earth s crust is made up of different minerals embedded in the rocks.The compounds formed by highly reactive non-metals with highly reactive metals are generally ionic because of large differences in their electronegativities.Metalled roads may be made of cement, concrete or even bitumen of coal, therefore, these are all weather roads.The main component of the converter is a ceramic honeycomb coated with precious metals — Pd, Pt and Rh.All these metals are dangerous to humans because our body cannot excrete them.