• The learning process is entertaining and exciting
  • The solved tasks turn into coordinates
  • The chance to follow your progress
  • Along with your schoolmates and friends, go on an adventure, searching for hideouts
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226.3. Chemical periodic table and the structure of the atom.

Write answer as number!

How many protons are in 715 N atom?
How many electrons are in 715 N atom?
How many neutrons are in 715 N atom?
Insight in substances microstructure.
Periodic table of chemical elements and atom structure.

Solve tasks to find hidden Geo point coordinates

  1. Algebra: Actual numbers.
  2. Algebra: Rational expression.
  3. Chemistry: Chemical element degree of oxidation. Drafting of binary compound formula and their name.
  4. Chemistry: Substances multiplicity.
  5. Geometry: Diameter, which is perpendicular to chord, properties.
  6. Algebra: Viet theorem.
  7. Geometry: Parallelogram, elements. Properties and signs.
  8. Physics: Pressure.
  9. Chemistry: Substances consistency and structure.
  10. Physics: Lens characteristics and usage.