Multiple Choice
What kind of bond is formed between the two hydrogen atoms and the single oxygen atom in a water molecule?
11. Bonding & Molecular Structure
Chemical Bonds
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which type of electron is primarily involved in the formation of chemical bonds?
A
Core electron
B
Excited electron
C
Valence electron
D
Free electron
Verified step by step guidance1
Identify the different types of electrons mentioned: core electrons, excited electrons, valence electrons, and free electrons.
Understand the role of each type of electron: Core electrons are the inner electrons that are not involved in bonding. Excited electrons are electrons that have absorbed energy and moved to a higher energy level. Free electrons are not bound to any atom and are typically involved in electrical conductivity.
Focus on valence electrons: These are the electrons in the outermost shell of an atom and are primarily involved in chemical bonding because they can be shared or transferred between atoms.
Recall that chemical bonds form when atoms share or transfer valence electrons to achieve a full outer shell, often following the octet rule.
Conclude that valence electrons are the primary electrons involved in the formation of chemical bonds, as they determine the chemical reactivity and bonding capacity of an atom.
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