Chemistry
Across
- 2. Element with the highest atomic number, named after a physicist.
- 3. Type of reaction where a substance burns in the presence of oxygen, often releasing heat and light.
- 5. It supports combustion.
- 7. Subatomic particles found in the nucleus of an atom.
- 10. Term for the smallest unit of a chemical element that retains its properties.
- 11. Term for a mixture where particles are evenly distributed, also used in mathematics.
- 13. Compound with the formula H2SO4, a strong acid used in car batteries.
- 15. It's a combination of sodium and chlorine.
- 16. It's around 78% of Earth's atmosphere.
- 18. Type of bond between sodium and chlorine in NaCl due to the transfer of electrons.
- 20. Acid found in the stomach that aids in digestion. Its formula is HCl.
Down
- 1. Device used to measure atmospheric pressure, sounds like a musical instrument.
- 4. It involves chlorophyll.
- 6. Scientist known for the gold foil experiment and discovering the nucleus of the atom.
- 8. Group 18 elements in the periodic table, known for their lack of reactivity.
- 9. Common name for H2O2, often used as a disinfectant.
- 12. Avogadro's number is related to it.
- 14. Scientist who created the Periodic Table. His last name starts with "M".
- 17. Law that states the volume of gas is inversely proportional to its pressure, named after a scientist with a last name starting with "B".
- 19. It's a gas that plants take in for photosynthesis.