a compound that has positive and negative ions in a regular pattern or crystal is an_______________
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ionic compound
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sugars
The compound you are referring to is called an ionic compound. Ionic compounds are formed when electrons are transferred between atoms, resulting in the formation of positive and negative ions. These ions are then held together by strong electrostatic forces of attraction, creating a regular pattern or crystal lattice structure.
To determine if a compound is ionic, you can follow these steps:
1. Identify the elements present in the compound: Ionic compounds typically involve a metal combined with a nonmetal.
2. Determine the electronegativity difference: Electronegativity is a measure of an atom's ability to attract electrons. In an ionic compound, there is a large electronegativity difference between the metal and nonmetal elements.
3. If the electronegativity difference is significant (usually greater than 1.7 on the Pauling scale), the compound is likely ionic.
For example, consider sodium chloride (NaCl). Sodium (Na) is a metal, and chlorine (Cl) is a nonmetal. The electronegativity difference between sodium and chlorine is 2.1. Since this value is substantial, NaCl is classified as an ionic compound.