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Answer should be Gold or Platinum. The metals having so many electrons with them,( With mass number 79 and 78 respectively.) that they will least bother abut loss of electrons in outer most orbit. If you will ask the hydrogen to give electron, it will be reluctant. As it will have positive charge only, with 100 % loss of negative charge. But loss of electron for Gold or Platinum will be about just above 1 % of total electric charge. That's the reason why they are not chemically very active. But in practice we use copper wire (mass number 29 ) as it is cost effective and silver is also used (mass number 47 ) to coat the contact points of electric switches. Theoretically Mercury will conduct electricity, most rapidly, being liquid metal but then you cannot make a wire out of it.

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12y ago

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