coinage metals वाक्य
उदाहरण वाक्य
मोबाइल
- Germanium forms many alloys, most importantly with the coinage metals.
- Antimony is well known as an alloy-former, including with the coinage metals.
- Pollock also wanted to eliminate nickel as a coinage metal; its hard alloys destroyed dies and machinery.
- Silver has been used as a coinage metal since the times of the drachmas were popular trade coins.
- The deformation of the edge lettering was caused by pressure pushing the coinage metal against the steel collar containing the coin blank.
- For a list of many pure metallic elements and their alloys which have been used in actual circulation coins and for trial experiments, see coinage metals.
- The coinage metals in group 11 ( copper, silver, and gold ) are chemically capable of acting as either transition metals or main group metals.
- For example, palladium, platinum, silver and gold are considered to be precious metals, and silver, gold and copper considered to be coinage metals.
- For example, the alkali metals and the coinage metals ( copper, silver, gold ) are in the same column because both groups tend to have a valence of one.
- In May 1948, some months after Romania had been declared a republic, Lecca faced a new indictment, for violating restrictions on the trade of coinage metals and foreign currency.
- The group 11 metals ( or coinage metals ), copper, silver, and gold, are typically categorised as transition metals given they can form ions with incomplete d-shells.
- He took steps to increase the foreign trade and set export quotas for Akita copper mines ( the copper being the primary coinage metal during that period ), despite higher domestic prices.
- Selenium is produced by roasting the coinage metal selenides X 2 Se ( X = Cu, Ag, Au ) with soda ash to give the selenite : X 2 Se + O 2 + Na 2 CO 3 ?
- The coinage metals were traditionally regarded as a subdivision of the alkali metal group, due to them sharing the characteristic s 1 electron configuration of the alkali metals ( group 1 : p 6 s 1; group 11 : d 10 s 1 ).
- In the end, goloid was rejected as a coinage metal because it could not be distinguished from the normal U . S . 90 % silver coin alloy without chemical analysis, thus inviting counterfeiters to use silver-copper alloys alone to make lower-value copies.
- The common coinage metals in all the three countries were copper-based alloys for the lowest values, silver for middle values, gold for high values ( although after the Canadian dollar was established, gold coins were used in Canada only for a short period ).
- Another Mint account, the minor coinage metal fund, used to purchase copper and other metals for cents and nickels, was redesignated the coinage metal fund by section 206, usable for all denominations, and eliminates statutory limits on how much money can be in that fund.
- Another Mint account, the minor coinage metal fund, used to purchase copper and other metals for cents and nickels, was redesignated the coinage metal fund by section 206, usable for all denominations, and eliminates statutory limits on how much money can be in that fund.
- Nickel was also occasionally used in some countries after 1859 as a cheap coinage metal ( see above ), but in the later years of the 20th century was replaced by cheaper stainless steel ( i . e ., iron ) alloys, except in the United States and Canada.
- Calculations for coinage metal fluorides include HeCuF as stable, HeAgF is unstable, Ag 4 He binding energy 1.85 cm " 1, Au 3 He binding energy 4.91 cm " 1, and Au 4 He binding energy 5.87 cm " 1
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