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Questions and Answers
What are transition metals?
What are transition metals?
- Elements with a fully filled d sub-shell
- Elements with a partially filled d sub-shell (correct)
- Elements that have only one valence electron
- Elements that are nonmetals
What are post-transition metals?
What are post-transition metals?
A set of metallic elements located between the transition metals and the metalloids.
Metalloids are elements that have properties solely of metals.
Metalloids are elements that have properties solely of metals.
False (B)
What are inner transition metals?
What are inner transition metals?
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What are noble gases known for?
What are noble gases known for?
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Halogens means ________-producing.
Halogens means ________-producing.
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What are alkali metals?
What are alkali metals?
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What are the alkaline earth metals?
What are the alkaline earth metals?
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Study Notes
Transition Metals
- Elements with partially filled d sub-shells or cations with incomplete d sub-shells.
- Located in the d-block of the periodic table, specifically groups 3 to 12.
- Includes f-block elements from the lanthanide and actinide series, known as inner transition metals.
Post-Transition Metals
- Metallic elements found between transition metals on the left and metalloids on the right.
- Identified groups vary, with proposals including six, ten, or thirteen elements.
- Commonly included elements are gallium, indium, tin, thallium, lead, and bismuth.
Metalloids
- Elements exhibiting properties that are intermediate between metals and nonmetals.
- Serve as a bridge in chemical behavior and characteristics.
Inner Transition Metals
- Comprises lanthanides and actinides.
- Characterized by properties distinct from typical transition metals.
Noble Gases
- Found in group 18 of the periodic table.
- Generally unreactive, except under extreme conditions.
- Common examples include helium, neon, argon, krypton, xenon, and radon.
Halogens
- Meaning "salt-producing", known for their reactivity.
- Unique in that they include elements in three states of matter (solid, liquid, gas) at standard conditions.
- Form acids upon bonding with hydrogen.
Alkali Metals
- Consist of shiny, soft, highly reactive metals.
- Readily lose their outermost electron, forming +1 cations.
- Softness allows easy cutting, revealing a tarnishing shiny surface due to oxidation.
Alkaline Earth Metals
- Six elements in group 2: beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra).
- Share similar properties as shiny, silvery-white, and somewhat reactive metals at standard conditions.
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