Identify and State the Historical Significance of the Following

question 86

Short Answer

Identify and state the historical significance of the following:
-Northwest Ordinance of 1787

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Definitions:

Calcium

A metallic chemical element essential for living organisms, particularly in cell physiology and bone formation.

Chlorine

Chlorine is a chemical element with symbol Cl and atomic number 17, known for its powerful disinfectant properties and use in water purification.

Lewis Dot Structure

A diagram that represents the valence electrons of an atom as dots around the elements' symbols and indicates the bonding between atoms in a molecule.

Electrons

Negatively charged particles located within every atom that are essential for chemical reactions and the production of electricity.