Across
- 3. The number of protons in the nucleus of an atom, which determines the element
- 5. Cl-
- 6. A chemical reaction in which an atom or molecule gains electrons
- 7. The type of bond forming NaCl
- 9. This is the fear of water
- 12. The smallest unit of an element
- 16. A substance that resists changes in pH
- 17. The bond that connects complementary bases between two DNA strands
- 18. The element represented by K
- 20. CO2
- 23. A chemical bond formed when one atom transfers electrons to another, creating oppositely charged ions that attract each other
Down
- 1. HCO3-
- 2. An ion with a negative charge
- 4. Na+
- 5. The type of bond forming H20
- 7. Atoms of the same element with different numbers of neutrons
- 8. A weak bond formed when a hydrogen atom, already covalently bonded, is attracted to another electronegative atom like O or N
- 10. A type of bond where electrons are shared between atoms
- 11. When an atom or molecule gains or loses electrons
- 13. The total number of protons and neutrons in an atom's nucleus
- 14. Found in the nucleus of an atom
- 15. An ion with a positive charge
- 19. The element represented by N
- 21. A chemical reaction in which an atom or molecule loses electrons
- 22. Another name for a hydrogen ion