2.  Black  Is a solid  Has a hardness of 9.5  Metalloid  Boils at 2550 Cº  Melts at 2300 Cº

3.  Rhombohedral  Named after the rhombus  Also known as trigonal  One of the seven lattice point groups

4.  Symbol is B  Atomic Number: 5  Atomic Weight: 10.81  Number of Protons: 5  Number of Electrons: 5  Number of Neutrons: 6

5.  Group: 13  Period: 2  Block: p-block  Electron Configuration: [He]2s²2p¹

6.  Borax is its most natural form  Glass  Ceramics  Fertilizers  Papers Paints  Fire Retardants  Cleaning Compounds