Chapter 19 review
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1. The chemical abbreviation for a compound indicates the elements and number of atoms present. 2. Ionic and covalent bonds involve the attraction between opposite or shared charges that hold atoms together in compounds. 3. Common compounds are formed from elements bonding with valence electrons by gaining, losing, or sharing them to achieve stable electron configurations.
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Chapter 19 review
- 2. 1.The chemical abbreviation for a compound. (It tells elements and # of elements). 2. The # of atoms of that element. Written below 8 Group 18 Force that holds together the atoms in a substance.
- 3. Atoms that have a charge Shows the charge. Written above. Force of attraction between opposite charges of ions in an ionic compound. NaCl
- 4. 10. The attraction that forms between atoms when they share electrons. Cl 2 12. Neutral particles formed as a result of electron sharing. 13. Molecules that has a positive and negative end.
- 5. 14. Molecules that don’t have a positive and negative end. A positive or negative # assigned to an element to show how it will combine in a compound. +1 (Give 1) +2 (Give 2)
- 6. +3 (Give 3) +4/-4 (Either 4) -3 (Take 3) -2 (Take 2) -1 (Take 1) A compound made up of 2 elements.
- 7. Copper I Copper II Iron II Iron III Chromium II Chromium III Lead II Lead IV Chloride Oxide Fluoride Sulfide Phosphide Bromide Nitride Iodide Astatide
- 8. Overhead Overhead Overhead Overhead Overhead A compound that has H 2 0 as part of a structure
- 9. 32. When H 2 O is removed from a compound.