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Which element on the periodic table has the greatest atomic mass?

What element on the periodic table has the mass of 68?

  • Answer:

    TrueGentalman, Actually Such element DOES Exist. Read on... Erbuim has the atomic number of 68, but its Mass is not 68 amu. It is actually 167.26 amu or 167.26g/mol. Although it appears that no element has the exact mass of 68 amu in periodic table, Zinc having mass of 65.39 has a mass very close to 68. The fact that Zinc has mass with a decimal suggests that it has isotopes and Zinc indeed has many isotopes. The TRUE answer to this question is Zinc-68. It is a naturally occurring stable isotope of Zinc having atomic mass of exactly 68 amu. I hope this helps.

LaShanda F at Yahoo! Answers Visit the source

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You're kidding, right? Instead of looking up the table on the internet you came here and asked us?

wilsonaj101177

Radioactive Germanium: 68 Ge.

abrakadabra

Erbium

misen55

Er - Um - Ah Du No DOH!!!!!

Guru BoB

lolololo goooogle

ip916a4bbxexx

Er

F.B.I.

wow, i HOPE your not a science major. Good eye true gentleman! your right (as the question is written). Gallium (number 31) is close to 68 in atomic mass, at 69.72. Even so, it only takes a quick glance at a periodic table to discover.

GKIRK78

Actually, my first answer, like many of the others that now appear before mine, was going to be erbium; however, that is not entirely accurate. Erbium has the atomic NUMBER 68; however, no element shown on Wikipedia's List of elements by atomic mass has the mass of approximately 68. Erbium has an atomic mass of 167.259(3) g/mol The answer to your question as it is written is "no such element is known to exist." Please take time to vote for the best answer.

TrueGentleman1130

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