Across
- 3. A substance composed of two or more different elements chemically combined in a fixed ratio
- 7. A compound composed of two different elements
- 8. A compound composed of three different elements
- 9. Charged species composed of two or more atoms covalently bonded together
- 11. A number assigned to an element in a chemical compound to indicate the number of electrons lost or gained by the element
- 13. A type of chemical bond that involves the sharing of electrons between atoms
- 14. A group of atoms bonded together
- 15. A chemical reaction that releases energy to its surroundings, often in the form of heat
Down
- 1. The force that holds two or more atoms together and may result from the sharing or transferring of electrons between the atoms
- 2. Forces of attraction between molecules that determine the physical properties of substances, such as boiling and melting points
- 4. A system of naming and writing chemical formulas for compounds using Roman numerals
- 5. A chemical reaction that absorbs energy from its surroundings
- 6. Atoms tend to gain, lose, or share electrons to achieve a full set of eight valence electrons, leading to a stable electron configuration
- 9. A molecule with an uneven distribution of electron density
- 10. A type of chemical bond that involves the transfer of electrons from one atom to another, resulting in the formation of ions
- 12. A molecule with an even distribution of electron density