Podcast
Questions and Answers
Which of the following is a diatomic molecule?
Which of the following is a diatomic molecule?
- Sulfur (S8)
- Phosphorus (P4)
- Ozone (O3)
- Fluorine (F2) (correct)
Which molecule represents an exception to typical naming rules?
Which molecule represents an exception to typical naming rules?
- Methane (CH4) (correct)
- Nitrogen trifluoride (NF3)
- Hydrogen chloride (HCl)
- Carbon dioxide (CO2)
Which of the following pairs includes only diatomic molecules?
Which of the following pairs includes only diatomic molecules?
- Hydrogen (H2) and Ozone (O3)
- Oxygen (O2) and Sulfur (S8)
- Chlorine (Cl2) and Nitrogen (N2) (correct)
- Bromine (Br2) and Phosphorus (P4)
What is the number of atoms present in Hydrogen peroxide?
What is the number of atoms present in Hydrogen peroxide?
Flashcards
Diatomic molecule
Diatomic molecule
A molecule composed of two atoms of the same element joined by a covalent bond.
Oxygen (O2)
Oxygen (O2)
A molecule containing two oxygen atoms.
Hydrogen (H2)
Hydrogen (H2)
A molecule containing two hydrogen atoms.
Chlorine (Cl2)
Chlorine (Cl2)
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Ozone (O3)
Ozone (O3)
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Study Notes
Diatomic Molecules
- Diatomic molecules are composed of two atoms bonded covalently.
- Seven elements exist as diatomic molecules: Hydrogen (Hâ‚‚), Oxygen (Oâ‚‚), Fluorine (Fâ‚‚), Bromine (Brâ‚‚), Iodine (Iâ‚‚), Nitrogen (Nâ‚‚), and Chlorine (Clâ‚‚).
Molecular Elements (Non-Diatomic)
- Three elements have more than two atoms per molecule: Ozone (O₃), Phosphorus (P₄), and Sulfur (S₈).
Exceptions to Naming Rules
- Some molecules, despite not fitting the diatomic rule, are common and have specific names:
- Water (Hâ‚‚O)
- Methane (CHâ‚„)
- Ammonia (NH₃)
- Hydrogen peroxide (Hâ‚‚Oâ‚‚)
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