In Mendeleev's periodic table, coinage metals of copper, silver, and gold are, grouped together with very active alkali metals. Manganese metal was, grouped with halogens in the seventh group meaning in Urdu? -
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Is the periodic table end of the road for element discovery? Does any other branch of science have precise tabulation like chemistry? - Quora
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The electronic configuration of one of the coinage metals is | 12 | M0ck test 26 | CHEMISTRY | A... - YouTube
![Just got my Periodic Table of U.S. Coins. Thought I'd see how my gold type set is doing. Good start, but a lot more to go! : r/coins Just got my Periodic Table of U.S. Coins. Thought I'd see how my gold type set is doing. Good start, but a lot more to go! : r/coins](https://i.redd.it/ozml4ifgvlm11.jpg)