Across
- 4. -A negatively charged ion.
- 7. -an element with properties intermediate with metals and non-metals
- 8. -chemical elements arranged by atomic number
- 9. -A chemical compound with only two elements.
- 10. -same thing as a group
- 11. -The complete transfer of valence of electrons.
- 12. -the mass of an atom
- 13. -total number of protons and electrons
- 15. -a stable subatomic particle with negative charge of electricity
- 17. -the basic units of matter
- 19. -A row of chemicals on the periodic table of elements
- 20. -Chemical attraction between two atoms.
- 25. -a negatively charged ion
- 27. -A chemical bond that involves the sharing of electron pairs.
- 28. -Composed of a monotonic metal cation and a monotonic nonmetal anion.
- 30. -one of the forms which matter can exist
- 31. -a positively charged ion
- 32. -A letter or symbol written below the line
- 33. -atom or molecule with net electricity
- 34. -the central and most important part of an atom
Down
- 1. -It is a positively charged ion.
- 2. -An outer shell electron
- 3. -29)the number of protons in an element
- 5. -The distribution of electrons of a molecule.
- 6. -A chemical substance composed of many identical molecule.
- 14. -the system of electrons
- 16. -A group of atoms bonded together, representing the smallest unit of a compound
- 18. -an elements that forms positive ions
- 21. -a stable subatomic particle without an electromagnetic charge
- 22. -a stable sub atomic particle
- 23. -specific patterns in the periodic table.
- 24. -A column of elements n the periodic table
- 26. -very brittle
- 27. -A molecule made of atoms from different elements.
- 29. -one or more species of atoms