Podcast
Questions and Answers
What is the defining characteristic of a molecule of a compound?
What is the defining characteristic of a molecule of a compound?
- It is made in laboratories
- It occurs naturally in nature
- It consists of atoms of the same kind
- It consists of more than one kind of atoms (correct)
What is the composition of a molecule of an element?
What is the composition of a molecule of an element?
- It consists of atoms of the same kind (correct)
- It consists of more than one kind of atoms
- It is made in laboratories
- It occurs naturally in nature
How are the atoms of different elements in the molecule of a compound combined?
How are the atoms of different elements in the molecule of a compound combined?
- In a random order
- In equal proportions
- In a definite ratio (correct)
- In an arbitrary ratio
Which of the following is an example of a man-made compound?
Which of the following is an example of a man-made compound?
What is the most common composition of compounds on Earth?
What is the most common composition of compounds on Earth?
What is the classification of ammonia as a molecule?
What is the classification of ammonia as a molecule?
How is water classified based on the combination of different elements?
How is water classified based on the combination of different elements?
What is the classification of carbon dioxide based on the combination of different elements?
What is the classification of carbon dioxide based on the combination of different elements?
How is ethanol classified based on the combination of different elements?
How is ethanol classified based on the combination of different elements?
What is the most obvious difference between an element and a compound?
What is the most obvious difference between an element and a compound?
Flashcards
Compound Molecule
Compound Molecule
Composed of more than one type of atom.
Element Molecule
Element Molecule
Composed of only one type of atom.
Compound Ratio
Compound Ratio
Atoms of different elements are combined in a fixed, unchanging proportion.
Ethanol
Ethanol
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Earth's Common Compounds
Earth's Common Compounds
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Ammonia Classification
Ammonia Classification
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Water Classification
Water Classification
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Carbon Dioxide Class
Carbon Dioxide Class
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Ethanol Classification
Ethanol Classification
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Element vs. Compound
Element vs. Compound
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Study Notes
Characteristics of Molecules
- The defining characteristic of a molecule of a compound is the combination of two or more different elements.
- The composition of a molecule of an element, on the other hand, consists of only one type of element.
Combination of Atoms
- Atoms of different elements in the molecule of a compound are combined through chemical bonds.
Examples of Compounds
- Nylon is an example of a man-made compound.
- Water (H2O) is a natural compound with a combination of hydrogen and oxygen elements.
- Ammonia (NH3) is a compound classified as a nitrogen-hydrogen molecule.
- Carbon dioxide (CO2) is a compound classified as a carbon-oxygen molecule.
- Ethanol (C2H5OH) is a compound classified as a carbon-hydrogen-oxygen molecule.
Difference between Elements and Compounds
- The most obvious difference between an element and a compound is that an element consists of only one type of atom, whereas a compound consists of two or more different elements.
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