All about the Periodic table

123456789101112131415161718192021222324
Across
  1. 5. Meitnerium's previous name.
  2. 7. A substance that is a mixture of two or more metals, or of a metal with a nonmetallic material.
  3. 8. The process of building up the nucleus of an element from protons and neutrons.
  4. 11. A chemically inert rare gas belonging to Group 18 of the periodic table.
  5. 13. Because of the flammability of Sulfur, alchemists regarded it as essential in ___________.
  6. 14. It causes opposite electric charges to attract each other and like charges to repel each other.
  7. 16. This element is classed as an alkali earth metal. It was discovered in 1808 by Sir Humphry Davy.
  8. 17. The study of spectra, especially to determine the chemical composition of substances and the physical properties of molecules, ions, and atoms.
  9. 18. It is the Anglo-Saxon name for metal.
  10. 19. She is a Polish-born french chemist who twice won the Nobel Prize and is best known for her investigations of radioactivity with her husband.
  11. 22. Meaning of the Greek word 'phosphoros'.
  12. 23. A mixture of concentrated hydrochloric and nitric acids that is still occasionally used in the chemical laboratory for dissolving gold and platinum.
  13. 24. One of two or more species of atom having the same atomic number, hence constituting the same element, but differing in mass number.
Down
  1. 1. It is a Latin word wherein the two-letter symbol for the element Gold was obtained. ¬¬
  2. 2. It is the second largest object in the asteroid belt after the dwarf planet Ceres. The name Palladium was obtained in this word.
  3. 3. A radioactive mineral composed of the minerals uraninite and is one of the main ores of Uranium.
  4. 4. Device used by the scientists in order to measure atomic mass.
  5. 6. Chemically the simplest substances and hence cannot be broken down using chemical methods.
  6. 9. It was discovered in 1952 by American chemist Albert Ghiorso and his colleagues in the produced by a thermonuclear explosion.
  7. 10. A process in which the atom breaks into smaller "daughter" components.
  8. 12. In chemistry, it states that many of the physical and chemical properties of the elements tend to recur in a systematic manner with increasing atomic number.
  9. 15. It was the name for Titanium during 1791 given by British clergyman William Gregor.
  10. 20. Meaning of the Latin word 'rubidus' wherein Rubidium was derived.
  11. 21. It ranks about 12th in abundance among elements in Earth's crust.