PROJECTE ERASMUS + / ACTIVITAT ELEMENTS: CARBON & COBALT

CARBON

Name: Carbon 

Symbol: C 

Atomic Number: 6 

Atomic Mass: 12.0107 amu 

Melting Point: 3500.0 °C (3773.15 K, 6332.0 °F) 

Boiling Point: 4827.0 °C (5100.15 K, 8720.6 °F) 

Number of Protons/Electrons: 6 

Number of Neutrons: 6 

Classification: Non-metal 

Crystal Structure: Hexagonal 

Density @ 293 K: 2.62 g/cm³ 

Color: May be black

Date of Discovery: Known to the ancients 

Discoverer: Unknown 

Name Origin: From the Latin carbo (coal) 

Uses: steel, filters 

Obtained From: burning with insufficient oxygen

COBALT

Name: Cobalt 

Symbol: Co 

Atomic Number: 27 
Atomic Mass: 58.9332 amu 
Melting Point: 1495.0 °C (1768.15 K, 2723.0 °F) 
Boiling Point: 2870.0 °C (3143.15 K, 5198.0 °F) 
Number of Protons/Electrons: 27 
Number of Neutrons: 32 
Classification: Transition Metal 
Crystal Structure: Hexagonal 
Density @ 293 K: 8.9 g/cm³ 
Color: silver

Date of Discovery: 1737 

Discoverer: George Brandt 
Name Origin: From the German word kobalt or kobold (evil spirit) 
Uses: magnets, ceramics, special glasses 
Obtained From: arsenic, oxygen, sulfur, cobaltine