Question | Answer |
Roman soldiers were paid with [...] (the origin of the word salary) | Roman soldiers were paid with salt (the origin of the word salary) |
Table salt is an [...] compound. | Table salt is an ionic compound. |
The chemical name for table salt is [...]. | The chemical name for table salt is sodium chloride. |
sodium chloride is made up of sodium [...] and chloride [...]. | sodium chloride is made up of sodium ions and chloride ions. |
Sodium loses its valence electron readily to become a sodium [...]. | Sodium loses its valence electron readily to become a sodium ion. |
Chlorine gains a valence electron to become a chloride [...]. | Chlorine gains a valence electron to become a chloride ion. |
Ionic bonds involve an [...] of electrons. | Ionic bonds involve an exchange of electrons. |
[...] forces hold positive ions and negative ions together (like magnets). | Electrostatic forces hold positive ions and negative ions together (like magnets). |
The bond between a positive ion and a negative ion is called an [...] bond. | The bond between a positive ion and a negative ion is called an ionic bond. |
Ionic bonds are very [...] bonds. | Ionic bonds are very strong bonds. |
Sodium ions and chloride ions form a [...] structure. | Sodium ions and chloride ions form a crystal structure. |
[...] solids tend to form crystals. | Ionic solids tend to form crystals. |
Crystals are made from repeating units called [...] units. | Crystals are made from repeating units called formula units. |
Formula units are always expressed in the [...-est] whole-number ratio. | Formula units are always expressed in the simplest whole-number ratio. |
Most salts form when metals form [...] bonds with nonmetals. | Most salts form when metals form ionic bonds with nonmetals. |
minerals in gem shops are all [...] crystals. | minerals in gem shops are all ionic crystals. |
Metals and nonmetals form [...] compounds, or salts. | Metals and nonmetals form ionic compounds, or salts. |
In salts, metals lose [...] to non-metals. | In salts, metals lose electrons to non-metals. |
In salts, metals are in [...] form. | In salts, metals are in cation form. |
In salts, non-metals are in [...] form. | In salts, non-metals are in anion form. |
Most salts form when [...] form ionic bonds with [...]. | Most salts form when metals form ionic bonds with nonmetals. |
Remember: a [...]-metal is NOT a kind of metal! | Remember: a non-metal is NOT a kind of metal! |