0
A Greek philosopher by the name of Democritus came up with the general idea and the name of atoms (atomos literally means "no cut" -- in other words, indivisible -- in Greek). However, he didn't really have any experimental evidence for this, he just thought it was the way things should work. It took almost 2000 years before scientists demonstrated that this concept was actually pretty accurate. Actually, this concept goes back to the Greeks. Dalton also believed it, but was wasn't the first:
From ChemTeam: Atomic Structure by John Dalton (see link to the left):
"Elements are made up of minute, discrete, indivisible, and indestructible particles called atoms. These atoms maintain their identity through all physical and chemical changes. This, of course, is not a new idea to Dalton. This basic idea goes back to the Greeks. However, please keep in mind that atoms, as such, were not part of the chemical mainstream in the early 1800's. Dalton's idea of an element is what we believe today - an element is a chemical substance that cannot be decomposed further by chemical means (i.e. heat, electricity, reacting with another chemical). This definition traces to Lavoisier. Daltonian atoms are usually taught as being similar to featureless billiard balls. In truth, Dalton never ruled out the possibility of subatomic structure. He just knew that the state of the art in the early 1800's did not allow the physical structure of an atom to be probed."
What else can I help you with?
What is a conclusion about the atom's structure gained from Rutherford's gold foil-alpha particle experiments?
Rutherford's gold foil-alpha particle experiments led to the conclusion that atoms have a small, dense, positively charged nucleus at the center, surrounded by mostly empty space where electrons orbit. This discovery revolutionized the understanding of atomic structure, disproving the earlier model of the atom as a solid, indivisible sphere.
Is a particle an atom?
No, a particle is not the same as an atom. A particle is a small piece of matter, while an atom is the smallest unit of an element that retains the properties of that element.
What is a small particle of matter where energy can be stored?
An electron is a small particle of matter where energy can be stored. It carries a negative charge and plays a fundamental role in electricity and magnetism.
What is a small discrete unit of energy?
A photon is a small discrete unit of energy that is associated with light. It behaves both like a particle and a wave, carrying a specific amount of energy depending on its frequency.
What is small rock particle larger than sand ranging in size from 2mm to 4mm?
A small rock particle larger than sand ranging in size from 2mm to 4mm is typically called fine gravel or granule.
Who stated that all matter is made up of small indivisible particles?
Leukippos and Democritus; possible also Mochus.
The parhcle theroy of matter?
The particle theory of matter states that matter is made up of very small indivisible particles that are in constant motion.
Were democritus's views of the atom based on experimental evidence?
No, he theorized that there was a small indivisible particle (he called the "atom" because it means indivisible), but he never did any experiments to prove his theory. Around the same time, Aristotle believed that matter could be divided infinitely. Both were considered speculation until the eighteenth century.
Is an electron made of a single element?
The electron is not a chemical element: it is a small elementary particle with a negative electrical charge.
What is the homophone for small particle?
The homophone for "small particle" is "molecule".
Does 'tom' in 'atom' mean 'small'?
tomos in greek means cutting. Atom means indivisible. Anything that is atomic is indivisible, it cannot be cut or reduced any further.
When was the Small Spherical Solid Indivisible model developed?
The small spherical solid indivisible model, also known as the atomic theory, was developed in the 5th century BC by the ancient Greek philosopher Democritus. He proposed that all matter is made up of tiny, indivisible particles called atoms.
Who decided that there had to be a part of matter so small that it had to be indivisible?
The idea of an indivisible particle, called an atom, can be traced back to the ancient Greeks, particularly the philosopher Democritus in the 5th century BC. However, the concept and understanding of atoms as the building blocks of matter evolved over time through the works of scientists such as John Dalton, J.J. Thomson, and Ernest Rutherford in the 19th and 20th centuries.
What is a small particle?
Iota
Which subatomic particle is very small?
Proton is a positive particle and electron is a negative particle.
What is partical?
It seems like you may be referring to the word "particle." A particle is a small, indivisible unit of matter that is found in all physical substances. Particles can include atoms, molecules, and subatomic particles like protons, neutrons, and electrons.
a small negatively charge particle that orbits the nucleus?
This elementary particle is the electron.
