Across
- 4. What is the smallest particle of a chemical element?
- 5. What is the average mass of an atom of an element, taking into account all its isotopes and their abundances?
- 6. What is the chart that organizes chemical elements based on their atomic number and chemical properties?
- 8. What is the name of a sign that represents one element?
- 12. What is the name of the process during which compounds are formed from elements in a certain sequence of chemical reactions?
- 13. What is a substance made up of atoms that all have the same number of protons in their nucleus?
- 14. What is the name of a particle smaller than an atom orbiting the nucleus of an atom and located in the electron shell?
- 15. What are saturated hydrocarbons called?
Down
- 1. What groups of two or more bonded atoms are called?
- 2. What are compounds made of carbon and hydrogen called?
- 3. What is made up of several closely related parts?
- 7. What are carbon-containing chemicals called?
- 9. What is the name of the space that can contain one or two electrons?
- 10. What is the chemical element with the symbol "He"?
- 11. What is the name of an atom of an element in which the number of neutrons in the atoms of the same element is different?
- 16. What is the scientific instrument used to analyze the properties of light, such as its intensity, wavelength, and polarization?