antiparticle

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antiparticle

 [an″tĭ-pahr´tĭ-k'l]
either of a pair of elementary particles that have electric charges and magnetic moments of opposite sign and are the same in all other properties, such as mass, lifetime, and spin, e.g., the electron and positron. Every particle has an antiparticle. When antiparticles collide, they are annihilated, and their mass is converted to energy in the form of gamma rays.
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Islamabad -- Members Parliament on Friday strongly condemned terrorists attack on the Chinese consulate in Karachi and termed it a conspiracy hatched by anti-elements against Pak-China friendship.
Talking to reporter here Thursday, he said the entire nation was united against terrorism, adding the law enforcement agencies would soon trace anti-elements involved in the incident.
This upgraded Russian Scientist Dmitri Mendeleev's Periodic Table to 16 Periods, 5 Blocks, 50 groups and 518 Elements and Anti-Elements. These Elements in the Periodic Tables at the Quantum Level mirror 2 Galaxy Periodic Tables that upgraded Edwin Hubble's Fork Tuning Galaxies classifications which was expanded by Gerard de Vaucouleurs and Allan Sandage.
Following the NAB notice, interior ministry also started taking measures to examine the anti-elements.