Across
- 4. The attraction between positive and negative ions in a compound is called an ______ bond. Pg. 186
- 6. When electrons are shared unequally in a covalent bond, it is called _______.
- 8. The system of naming compounds is called _______. Pg. 216
- 9. Rows on the periodic table are called ______
- 10. The attraction between metal ions and their surrounding sea of electrons is called a ____ bond. Pg. 191
- 11. The atomic ______ is how big an atom is, the distance from the nucleus to the outer edge.
- 13. The molecule SO4 is called _________ with a -2 charge
- 14. If the difference in electronegativities between two atoms is between 0.5 and 1.5, their bond will be ______
- 16. Columns on the periodic table are called _______
- 17. The elements, Br, I, N, Cl, H, O and F only occur in pairs. They are referred to as _______ molecules. Pg. 174
- 18. The molecule ClO2 is called _____ with a -1 charge
- 20. A column on the periodic table
- 23. The first column on the periodic table is the ____ metals.
- 26. The _____ energy is the energy it takes to remove an electron from an element
- 28. If the difference in electronegativities between two atoms is 0.5 or less, then their bond will be _______
- 30. The _____ rule states atoms are most stable when they have eight valence e-. p.178
- 31. The measure of how strongly an element pulls on electrons in a bond. Pg. 159
- 32. Two words. A representation of the atoms in a compound, with dots representing valence e- in either bonds or unshared e-. Pg. 181
Down
- 1. A group of covalently bonded atoms that share a charge are called a _________ ion. Pg. 190
- 2. When a positive atom on one molecule sticks to a negative atom on another molecule _______ interaction
- 3. The outermost layer of e- is called the ________ e-. P. 154
- 5. When the sloshing of electrons causes weak positives and negatives, the attractions are called __two__words__ forces.
- 7. Developed the first periodic table, predicting two elements
- 12. When two atoms share valence e- to give both a full shell, that is called a _____ bond. P.175
- 15. A ____ compound is made of two elements. Pg. 216
- 19. The last column on the periodic table is the ______.
- 21. The molecule PO4 is called ______ with a -3 charge
- 22. A group of atoms held together by covalent bonds Pg. 174
- 24. Two words. An unshared pair of electrons is also called a _____ ______ P.181
- 25. A negative ion, usually a nonmental, Pg. 157
- 27. When electrons are shared equally in a covalent bond, it is called _______.
- 29. A positive ion, usually a metal. Pg. 157