Marsh,+Bailey

My element is Barium, Ba
 * Boiling point**: 1640’c


 * Melting point:** 725’c


 * Density:** 3.5g.cm-3 at 20’c


 * Proton**: 56


 * Electron:** 56


 * Neutrons:** 81


 * Atomic mass:** 137
 * Atomic** #:56


 * Electronic configuration**: Level 1: 2 Level 2: 8 Level 3:18 Level 4: 18 Level 5: 8 level 6: 2


 * Orbital notation**: 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6 4d^10 5s^2 5p^6 6s^2


 * Valence electrons**: 2


 * Who how and when it was made**: Scheele in 1774 element barium was isolated by Sir Humphrey Davy in 1808 that electrolysis molten barite.


 * Where and how its produced processed or mined**: is in clay it is drilled in oil wells


 * Ores**: are barite most common witserate


 * Chemical reactions**: water and halogens


 * Industrial reactions**: are added to fireworks to impact a green color


 * Cost and value**: $55 per 100g

@http://www.periodictable.com/Elements/056/ []
 * Unusual facts:** barium and all its compounds that are water or acid soluble are toxic. Barium is barely used because it’s so active