The Element Boron - Basic Physical and Historical Information. ... Phase at Room Temperature: Solid. Element Classification: ... Boron-10, one of the naturally occurring isotopes of boron, is a good absorber of neutrons and is used in the control rods of nuclear reactors, as a radiation shield and as a neutron detector. read more
Boron has also been used in some rockets as an ignition source. Boron-10, one of the naturally occurring isotopes of boron, is a good absorber of neutrons and is used in the control rods of nuclear reactors, as a radiation shield and as a neutron detector. read more
Helium is a gas at room temperature; it boils at approximately 452degrees below 0. read more