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A primeval atom is the term sometimes used to describe the Big Bang beginning. Quantum theory says this original seed was the size of an apple, Relativity says it was smaller than a subatomic particle, or even zero size. All this is difficult to imagine, since it was not mass that expanded, but space itself.

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Who is George Lematre?

Georges Lemaître was a Belgian physicist and Catholic priest known for proposing the Big Bang theory of the universe's origins. He suggested that the universe began as a primeval atom that expanded outward, leading to the formation of galaxies and stars. Lemaître's idea laid the foundation for our modern understanding of the universe's expansion.


What is the smallest piece of a chemical element called?

An ATOM!!!! An atom can be sub-divided in to protons, neutrons, and electrons.


Lemaitre (based on Hubble's observations) was the first to suggest the?

Lemaître, based on Hubble's observations, was the first to propose the idea of an expanding universe, leading to the formulation of what is now known as the Big Bang theory. He suggested that the universe began from a "primeval atom," which exploded and has been expanding ever since. This concept challenged the then-prevailing static model of the universe and laid the groundwork for modern cosmology. Lemaître's insights significantly contributed to our understanding of the origins and evolution of the cosmos.


What is the difference between a neutral atom an ion and an excited atom?

A neutral atom is an atom with an equal number of electrons and protons without any additional energy. An excited atom has electrons that have absorbed energy and moved up to another layer. Ions are atoms that have a different number of electrons from the neutral atom.


How does the diameter of the nucleus compare to the diameter of the atom?

The diameter of the nucleus is several orders of magnitude smaller than the diameter of the atom. The nucleus is approximately 10,000 times smaller than the overall size of the atom.