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208.3. Atoms un ķīmiskie elementi.

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This chemical element is pronounced as "si". What is the symbol of this element?

What is the name of the element?

Insight in substances microstructure.
Atom and chemical elements.

Solve tasks to find hidden Geo point coordinates

  1. Algebra: Albraic fraction.
  2. Physics: Ultrasound, Infrasound and sound usage.
  3. Physics: mass
  4. Algebra: Numerical approximation.
  5. Physics: Archimedes law.
  6. Algebra: Square root extraction
  7. Geometry: Rectangle (S = ab, a, b - edges) and area of the square (S=a^2 , a - edge) formulas
  8. Chemistry: Gas volume calculations
  9. Algebra: Square trinomial distribution into multipliers
  10. Algebra: Fraction addition and subtraction.
  11. Geometry: Right-angled triangle outlined circle lines center location.
  12. Geometry: Triangle median properties.
  13. Geometry: Area of parallelogram, rhomb, triangle, right angled triangle and trapeze.
  14. Algebra: Median
  15. Geometry: Rectangular (S = ab, a, b - edges) and area of the square (S=a^2 , a - edge) formula.
  16. Algebra: Actual numbers.
  17. Chemistry: Periodic table of chemical elements and atomic structure.
  18. Chemistry: Atoms un ķīmiskie elementi.
  19. Algebra: Formula y = k/x
  20. Algebra: Numerical approximation.
  21. Geometry: Distance between parallel straight lines.
  22. Algebra: Fractions main property
  23. Geometry: Squar, properties and signs.
  24. Chemistry: Substances physical properties and transformations.
  25. Geometry: Rectangular (S = ab, a, b - edges) and area of the square (S=a^2 , a - edge) formula.
  26. Algebra: Absolute and relative mistake of approximation
  27. Chemistry: Air composition and usage(reactions).
  28. Algebra: Fraction amplification and abbreviation.
  29. Physics: Measurement.
  30. Algebra: Relative frequency
  31. Physics: Light reflection and mirrors.
  32. Algebra: Rational fraction expression.
  33. Algebra: Square trinomial roots
  34. Algebra: Equation with unknown denominator.
  35. Physics: Spread of sound.
  36. Geometry: The Pythagorean Theorem. The practical application of Pythagorean Theorem in everyday life.
  37. Algebra: Parabola.
  38. Geometry: Diameter, which is perpendicular to chord, properties.
  39. Geometry: Curve angle value, center angle and indrawn angle.
  40. Algebra: Moda
  41. Physics: Gravitation, friction and deformation.
  42. Geometry: Area of parallelogram, rhombus, triangle, right-angled triangle, trapeze.