College

Use the periodic table to classify each element as one of the following:

- Main-group metal
- Transition metal
- Inner-transition metal
- Metalloid
- Nonmetal

Answer :

Final answer:

The periodic table can be used to classify elements as main-group metals, transition metals, inner-transition metals, metalloids, or nonmetals.


Explanation:

Classification of Elements

The periodic table can be used to classify elements as follows:

  • Main-group metal: These are elements found in the s-block and p-block of the periodic table. They are typically shiny, malleable, and good conductors of heat and electricity. Examples include sodium (Na) and oxygen (O).
  • Transition metal: These elements are found in the d-block of the periodic table. They have high melting and boiling points and exhibit variable oxidation states. Examples include iron (Fe) and copper (Cu).
  • Inner-transition metal: These elements are found in the f-block of the periodic table. They are typically radioactive and have unique properties. Examples include uranium (U) and plutonium (Pu).
  • Metalloid: These elements are found along the border between metals and nonmetals on the periodic table. They have properties intermediate between metals and nonmetals. Examples include silicon (Si) and arsenic (As).
  • Nonmetal: These elements are found on the right side of the periodic table. They are typically poor conductors of heat and electricity. Examples include hydrogen (H) and nitrogen (N).

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