Instructions: Identify the Following

question 98

Essay

Instructions: Identify the following. Be as specific as possible, and include names, dates, and relevant facts as appropriate. Be sure to explain the significance of the person or term.
Walking Purchase

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Definitions:

Ca

The chemical symbol for calcium, an element with atomic number 20, essential for living organisms, particularly in cell physiology and bone formation.

Neutrons

Electrically neutral subatomic particles found in the nucleus of an atom, contributing to the atom's mass but not its charge.

Isotope

Variants of a particular chemical element which differ in neutron number, and subsequently in mass, but share the same number of protons.

Protons

Subatomic particles found in the nucleus of every atom, possessing a positive electric charge.