69
Thulium Atomic number 69 Group, block group n/a, f-block Period period 6 Element category lanthanide Standard atomic weight (±) (Ar) 168.93422(2)1 Electron configuration Xe 4f13 6s2 per shell 2, 8, 18, 31, 8, 2 Physical properties Phase solid Melting point 1818 K (1545 °C, 2813 °F) Boiling point 2223 K (1950 °C, 3542 °F) Density near r.t. 9.32 g/cm3 when liquid, at m.p. 8.56 g/cm3 Heat of fusion 16.84 kJ/mol Heat of vaporization 191 kJ/mol Molar heat capacity 27.03 J/(mol·K) vapor pressure P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 1117 1235 1381 1570 (1821) (2217) Atomic properties Oxidation states 2, 3 (a basic oxide) Electronegativity Pauling scale: 1.25 Ionization energies 1st: 596.7 kJ/mol 2nd: 1160 kJ/mol 3rd: 2285 kJ/mol Atomic radius empirical: 176 pm Covalent radius 190±10 pm Miscellanea Crystal structure hexagonal close-packed (hcp) Hexagonal close packed crystal structure for thulium Thermal expansion poly: 13.3 µm/(m·K) (at r.t.) Thermal conductivity 16.9 W/(m·K) Electrical resistivity poly: 676 nΩ·m (at r.t.) Magnetic ordering paramagnetic (at 300 K) Young's modulus 74.0 GPa Shear modulus 30.5 GPa Bulk modulus 44.5 GPa Poisson ratio 0.213 Vickers hardness 470–650 MPa Brinell hardness 470–900 MPa CAS Number 7440-30-4 History Naming after Thule, a mythical region in Scandinavia Discovery and first isolation Per Teodor Cleve (1879)
The Urban Dictionary Mug
Nice cup! Seems to be a quality piece.
EVERY mug I have ordered online through Urban Dictionary has exceeded my expectations! Each (5) is of a very high quality: Clear/Clean printing (ink, color, sharpness, clarity), and Outstanding craftsmanship ("feels" good to hold, and you can tell it "ain't made cheap"). Your company should be proud, indeed.
The Urban Dictionary is a unique place to find anecdotal memories on all sorts of stuff. Their ongoing communication once your order is placed is excellent. I have put in a significant number of orders recently, and the communication regarding my order status is excellent. I have had one order misplaced in transit. They have contacted me to say that they will get back to me, but to this point, they have not. So, that's a bit of a caveat in my rating. Overall, I would rate their products and customer service as good. I would not hesitate to deal with them in the future. Fill Your Boots with Whatever You Want to Order. Nice job, "Urban Dictionary."
It is special to have a mug that has to do with my dad who invented a word when we were growing up. He passed away last year. Drinking from this mug is like spending time with him.
My brother Tom became an uncle & urban dictionary created a wonderful uncle Tom mug…
I loved it! Excellent quality!
It’s great to be able to create your own mug.
Great cup. Thanks for personalizing the message
Cool
I ordered 4 of your mugs -- and have received 3; hopefully, the 4th is on its way! So far, I've received "fame," "620," and "$" ... only needing "hulo." ...It might be a matter of me being patient, that the 4th mug is on its way. However, the 3 received SO far are all EXCEPTIONAL, in every way!!! Mark Moilanen
I loved my mug and it came in a timely fashion.
So dope.
Cup is for a good friend. I haven’t given it to her yet but if she’s excited as I am, she’s gonna love it thanks guys.
I LOVE my mug! It's such a meaningful way to remember a word my Dad "coined" When I was a child. I am very pleased.
My dad hated it🤣
Gift for my niece. She loves it.
Great experience with the Urban Dictionary and ordering my mug. Any concerns that were related to them were received promptly. Overall, it was a great experience
Love love love it! Customer service gave me a coupon, let me know that I had to revise the definition when too long, and overall super helpful.
Arrived exactly on time( as projected) ;( beautiful blue color 💙 as specified) loving it ! ❤️
We really like our cup!!!
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