Chemistry 2A (CHEM2A)
Riverside Community College
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Ionic Compounds Chemistry Chapter 3
- Class notes • 4 pages • 2023
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Two types of chemical compounds:
o Ionic compounds - composed of positively and
negatively charged ions held together by strong electrostatic forces
▪ Examples: NaCl, CaCO3
o Covalent compounds - composed of individual molecules, discrete groups of atoms that share electrons.
▪ Examples: H2O and CH4
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Ionic Compounds Chemistry Chapter 3
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Two types of chemical compounds: o Ionic compounds - composed of positively and negatively charged ions held together by strong electrostatic forces ▪ Examples: NaCl, CaCO3 o Covalent compounds - composed of individual molecules, discrete groups of atoms that share electrons. ▪ Examples: H2O and CH4
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Solutions Chemistry
- Class notes • 4 pages • 2023
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Pure substances - elements, covalent compounds, and
ionic compounds
● Mixture - two or more pure substances
o Heterogeneous mixture - does not have a uniform composition throughout the sample
o Homogeneous mixture - has a uniform composition throughout the sample
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Solutions Chemistry
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Pure substances - elements, covalent compounds, and ionic compounds ● Mixture - two or more pure substances o Heterogeneous mixture - does not have a uniform composition throughout the sample o Homogeneous mixture - has a uniform composition throughout the sample
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