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M$2 Answers
abbreviation | Po
atomic number | 84
electron configuration | Xe4f^145d^106s^26p^4
block | p
group | 16
period | 6
atomic weight | (209)
half-life | 102 years
Its thermodynamic properties (properties at standard conditions) are:
phase at STP | solid
melting point | 254 deg C
boiling point | 962 deg C
The nuclear properties are:
half-life | 102 yr
lifetime | 147 yr
specific radioactivity | 621 GBq/g
decay mode | alpha emission
nuclear spin | Po188: 0^+
unstable isotopes | Po209 (102 yr)
neutron cross-section | 0.5 b
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M$
It's chemical symbol is Po and its atomic number is 84.
You can leave an optional "tip" with Mahalo's virtual currency, Mahalo Dollars. If you are asking a difficult question that might require some research, or if you'd like a wide variety of feedback, a higher tip often leads to more answers to your question.
M$
