Aset Zhumagaliev

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Across
  1. 4. – positively charged ions
  2. 14. – horizontal row in a periodical table
  3. 15. – has the most of the elements, good conductors of electricity and heat.
  4. 17. - quality of something that can be shaped into something else without breaking
  5. 18. – element in a first group and third period in a periodical table
  6. 19. – compound that dissolves in a water to form a solution a pH greater than 7
  7. 20. - soft heavy grey metal that melts easily and ispoisonous,. It is a chemicalelement: symbol Pb
  8. 21. - s air, the stuff we breathe, the thing that makes our lives possible. It is an element, a basic chemical found on the earth.
  9. 24. - substance formed when two or more chemical elements are chemically bonded together.
  10. 25. - an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons
  11. 26. - a colorless volatile flammable liquid (formula C2H5OH)
  12. 27. - any of the chemically inert gaseous elements of group 8A or 0 of theperiodic table
  13. 28. - negatively charged ions
Down
  1. 1. – Combination of pure substances neutron
  2. 2. - the quality or property of being soluble; relative capability of being dissolved
  3. 3. – number of protons
  4. 5. - a very small particle of matter that is part of the nucleus of an atom and that has a positive electrical charge.
  5. 6. - The vertical columns of elements are called
  6. 7. - containing more than two atoms
  7. 8. - any of two or more forms of a chemical element, having the samenumber of protons in the nucleus, or the same atomic number, buthaving different numbers of neutrons in the nucleus, or different atomicweights.
  8. 9. – regulated substance that makes dyes and fuel for transports (formula C6H6)
  9. 10. The element found in group 14 period 2 is?
  10. 11. – the tendency to gain or lose electrons called
  11. 12. - a very small particle of matter that has a negative charge of electricity and that travels around the nucleus of an atom (discovered by Joseph John Thomson)
  12. 13. – The most popular element in a first group and first period of periodic table
  13. 16. - easily set on fire
  14. 22. – second name for vertical colums of elements
  15. 23. – the elements in group 17
  16. 28. – compound that dissolves in a water to form a solution with pH lower than 7