Copper - Element information, properties and uses | Periodic Table
https://www.rsc.org/periodic-table/element/29/copper
WebElement Copper (Cu), Group 11, Atomic Number 29, d-block, Mass 63.546. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos …
DA: 88 PA: 73 MOZ Rank: 43