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
This is lafayetti yummi yum yum Oui oui mon ami je m'appelle lafayette The lancelot of the revolutionary set I came from afar just to say "Bonsoir" Tell the king "Casse toi" Who's the best C'est moi
Awesome purchase, I can't wait to show off my "Progressively Straight" mug at Starbucks.
Mug was delivered undamaged just as ordered.
My order came quickly. Packaged well. Great job.
IT WAS MUG! CAME QUICK & SAID THING. HAVE NOT TASTED YET. NOT SMELL BAD, BUT DISHWASHER NONETHE LESS....
Henceforth, I am unable to leave a negative review for this amazing cup.
Good quality, just as pictured. Very pleased with it!
Having my first cup of coffee in the new cup. Good idea to add new terms through individual contributions.
10/10 Looks exactly like the preview. Shipping was fast.
This is for my granddaughter whom I used to call cutie patootie until she found out another meaning for patootie. Then she didn’t like the name so much! This will be a perfect gift for her! She is 16.
Love the cups :) It reminds us of our sweet momma. I thought everyone knew the word "mommicked" but evidently it is an Eastern North Carolina thing...My sisters and I all married Northerner/ Yankees and they had never heard of the word. Thank you for a tender memory.
Cup came in one piece and looks as nice as it does in the picture! Only note is just be mindful of any typos in the description of the definition, they will show up on the cup too! Other than that, no complaints!
This reminds me of the amazing teams i worked in!
great experience, with fast delivery. Thank you!
my grandma loved it!
My grandma is HOOKED
Based mug
This mug makes me happy :) reminds me of so many funny high school memories!
The mug came quickly and we love it!
These mugs are always good. I usually choose the neon green!
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