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Classify the following as alkali metals, alkaline earth metals, transition elements, or inner transitional elements: calcium, gold, iron, magnesium, plutonium, potassium, sodium and uranium

Respuesta :

1.) Alkali Metals: Sodium, Potassium

2.) Alkaline Earth metals: Magnesium, Calcium

3.) Transitional elements: Iron, Gold

4.) Inner-Transitional Elements: Uranium, Plutonium

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Lanuel

I. Alkali metals: Sodium, Potassium.

II. Alkaline Earth metals: Magnesium, Calcium.

III. Transition elements: Iron, Gold.

IV. Inner transitional elements: Uranium, Plutonium.

A chemical element can be defined as a pure substance that is represented by a chemical symbol and it contains only one type of atom, which has the same atomic number (number of protons) in its nuclei.

In Chemistry, chemical elements are classified based on the group they belong to un the periodic table and these include:

I. Alkali metals: monovalent chemical elements that are found in Group IA of the periodic table.

  • Sodium.
  • Potassium.

II. Alkaline Earth metals: chemical elements that are found in Group II of the periodic table.

  • Magnesium.
  • Calcium.

III. Transition elements: these are metals that are having unpredictable properties and aren't highly reactive.

  • Iron.
  • Gold.

IV. Inner transitional elements: they are composed of lanthanides and actinides.

  • Uranium.
  • Plutonium.

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