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Unit 4
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carbon oxide : CO
carbon dioxide : CO2
Lewis structure : a model that uses electron-dot
Crystal Lattice: positive and negative charge that holds together ionic compounds
transition metal : has more than one charge
calcium sulfide : KF
stronzium oxide : Sr2O
ionic bond : it forms when two atoms exchange electrons
cation : an ion that has a positive charge
chemical bond : the force that holds 2 atoms together
anion : an ion that has a negative charge
hydrocarbon : simplest organic compound made only of the element carbon hydrogen
ammonia : NH3 compound of nitrogen and hydrogen
nonmetal : ionic bonds only form between a metal and __________ atom
oxidation number : positive or negative charge of a monatomic ion
covalent : __________ compounds are formed between nonmetals with high electronegativity
noncrystalline : property of covalent compound
sulfur dioxide : CF4
roman numeral : transition metals need ______ _________ to tell their charge
exchange : an ionic bond forms when two atoms ______ electrons
Unit 4
Across:2. | a model that uses electron-dot | 4. | CO | 6. | CO2 | 8. | ionic bonds only form between a metal and __________ atom | 12. | transition metals need ______ _________ to tell their charge |
| 13. | it forms when two atoms exchange electrons | 16. | property of covalent compound | 17. | an ionic bond forms when two atoms ______ electrons | 18. | an ion that has a positive charge |
| | Down:1. | CF4 | 3. | an ion that has a negative charge | 4. | positive and negative charge that holds together ionic compounds | 5. | the force that holds 2 atoms together | 7. | NH3 compound of nitrogen and hydrogen |
| 9. | KF | 10. | positive or negative charge of a monatomic ion | 11. | Sr2O | 14. | __________ compounds are formed between nonmetals with high electronegativity | 15. | simplest organic compound made only of the element carbon hydrogen |
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PuzzleFast.com, Noncommercial Use Only
Unit 4
Across:2. | a model that uses electron-dot | 4. | CO | 6. | CO2 | 8. | ionic bonds only form between a metal and __________ atom | 12. | transition metals need ______ _________ to tell their charge |
| 13. | it forms when two atoms exchange electrons | 16. | property of covalent compound | 17. | an ionic bond forms when two atoms ______ electrons | 18. | an ion that has a positive charge |
| | Down:1. | CF4 | 3. | an ion that has a negative charge | 4. | positive and negative charge that holds together ionic compounds | 5. | the force that holds 2 atoms together | 7. | NH3 compound of nitrogen and hydrogen |
| 9. | KF | 10. | positive or negative charge of a monatomic ion | 11. | Sr2O | 14. | __________ compounds are formed between nonmetals with high electronegativity | 15. | simplest organic compound made only of the element carbon hydrogen |
| |
© 2015
PuzzleFast.com, Noncommercial Use Only