Master750
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| Joined: 10 Jul 2012 |
| Total Posts: 8360 |
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| 27 May 2013 10:53 AM |
6+9 = 15 6-9 = -3 6x9 = 54 6/9 = 1/3 6^9 = 10,077,696 Name: Thulium Symbol: Tm Atomic number: 69 Atomic weight: 168.93421 (2) Standard state: solid at 298 K Group name: Lanthanoid Period in periodic table: 6 (lanthanoid) Block in periodic table: f-block Colour: silvery white Classification: Metallic Melting point: 1818 [or 1545 °C (2813 °F)] K Boiling point: 2223 [or 1950 °C (3542 °F)] K First ionisation energy: 596.7 kJ mol-1 Second ionisation energy: 1160 kJ mol-1 Ground state electron configuration: [Xe].4f13.6s2 Shell structure: 2.8.18.31.8.2 Interstate 69 Position |
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weegee202
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| Joined: 05 Jun 2011 |
| Total Posts: 5922 |
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| 27 May 2013 11:00 AM |
HA 6/9 isnt 1/3 it 2/3
burned the brainiac |
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Master750
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| Joined: 10 Jul 2012 |
| Total Posts: 8360 |
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