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WebApr 1, 2024 · Copper is a natural antibacterial agent. It is common to use brass door handles in public buildings (brass being a copper alloy) because they help prevent disease transmission. The metal is also toxic to … WebNatural abundance Copernicium is a man-made element of which only a few atoms have … WebTitanium has a tensile strength of 63,000 PSI. Its tensile-strength-to-density ratio is higher than any natural metal, even tungsten, but it scores lower on the Mohs scale of hardness. It is also extraordinarily resistant to corrosion. Chromium, on the Mohs scale for hardness, is the hardest metal around. sftl share price