Podcast
Questions and Answers
What is the primary characteristic of elements in the D block?
What is the primary characteristic of elements in the D block?
- They have a full outer shell of electrons
- They possess d-subshell electrons that are partially filled (correct)
- They are all non-metals
- They are all alkaline earth metals
Which of the following elements is classified as a transition metal?
Which of the following elements is classified as a transition metal?
- Oxygen
- Calcium
- Aluminum
- Zinc (correct)
How does the electron configuration typical of D block elements generally differ from that of S block elements?
How does the electron configuration typical of D block elements generally differ from that of S block elements?
- D block elements lack d subshells altogether
- D block elements have their highest energy electrons in the d subshell (correct)
- D block elements have fewer total electrons
- D block elements are confined to lower energy levels
Which of the following statements about the reactivity of D block elements is true?
Which of the following statements about the reactivity of D block elements is true?
Which property is typically associated with D block elements?
Which property is typically associated with D block elements?
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Study Notes
D Block Elements
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Primary characteristic: Incomplete d subshells in their atomic or ionic states
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Transition metal classification: Elements with partially filled d orbital in their ground state or accessible excited state are considered transition metals.
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Electron configuration comparison: D block elements typically have a filled s subshell and partially filled d subshells, whereas S block elements have a filled s subshell and empty d subshells.
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Reactivity statement: D block elements exhibit a wide range of reactivity, with some being highly reactive and others being relatively inert. This variation is influenced by factors like electron configuration, oxidation states, and the presence of d electrons.
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Associated property: D block elements are typically known for their variable oxidation states, which contribute to their varied chemical behavior. These variable oxidation states arise from the involvement of d electrons in bonding.
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