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Are atoms the smallest portions of an element that retain the original characteristics of the element?
on their own
How many nucleons does an alpha particle contain?
An ALPHA particle may be thought of a a helium nucleus. It contains two protons and two neutrons. An alpha particle is a high speed helium nucleus (He^(2+)).
The scientist who thought the atom was hard solid ball was?
The scientist who first proposed the idea of the atom as a hard solid ball was John Dalton in the early 19th century. Dalton's atomic theory described atoms as tiny, indivisible particles that made up all matter.
What a smallest particle of an element?
That's a good question! Originally, people thought that atoms were the smallest thing possible. However, with the discovery of the proton, neutron and electron, we've learned that even atoms can be broken up into smaller pieces! The proton is a part of an atom inside the center of an atom (called the nucleus). It carries a positive charge. The neutron is another part of an atom inside the nucleus. It has no charge, but gives the atom extra mass. The electron is the last part of an atom. It isn't inside the nucleus; it floats around it like the planets orbit the sun. It carries a negative charge. The simple answer is that protons, neutrons and electrons are the smallest particles of any given element. However, even these subatomic particles can be broken down into smaller pieces, called quarks. We're not going to go any further than that, though! It gets much more confusing when we start talking about this. You can usually ignore this, though. TL;DR - Protons, neutrons, electrons.
Why do they call atoms atoms?
Atom comes from the Greek word meaning indivisible. This was because it was thought that atoms were indivisible then. Now we know that atoms are not infact indivisible but are made up of electrons, neutrons and protons.
What scientist thought that an atom was the smallest particle in the universe?
John Dalton, an English scientist, proposed that atoms were the smallest indivisible particles in the universe in the early 19th century. His atomic theory laid the foundation for modern chemistry.
What is the second smallest thing in the world?
The second smallest thing in the world is thought to be a quark, which is a subatomic particle that is a building block of protons and neutrons. Quarks are fundamental particles that are not thought to have any substructure.
Is cell or particle smaller?
When you consider the composition of living and non living things, both can be broken down into what comprises them. If one considers non-living matter, then "particle" may be used to describe the smallest unit. As knowledge advances, a "particle" by definition has evolved i.e., quarks being the smallest "particle" of an atom whereas for years it was thought that the atom was the smallest unit of matter. Conversely, the cell is considered the smallest unit of organic (living) matter The only major difference between them is that a cell is the smallest particle of a living object and a molecule (made up of atoms) is the smallest unit of a nonliving object.
Give the scale of the Universe from the Earth to the Universe?
Personally, i love that question. Well, since man kind does not quite know the size of the universe, no answer is quite accurate. however, think of this. the universe might be so unimaginably large that a single particle and Earth, as far as science is concerned might not even be thought of as different sizes at all. Compared to the immense universe, all masses we know of are so insignificant that they are not even thought of.
What is the particle thought to carry the electromagnetic force?
The particle thought to carry the electromagnetic force is called the photon.
What does WIMP means?
"WIMP" stands for Weakly Interacting Massive Particle. It is a hypothetical type of dark matter particle that is thought to make up a large portion of the universe's mass. WIMPs are predicted by some theories in particle physics, such as supersymmetry.
What did Brahe discover about the universe?
he thought that the earth was the center of the universe
What is the name of the particle that the physicists are hoping to find Why is this particle thought to be importance?
The Higgs particle, also known as the "God particle", is a missing piece of the puzzle in helping us to understand how the universe works. Scientists believe that milliseconds after the Big Bang, an invisible field of energy was formed. As particles from the Big Bang passed through this field, they acquired mass and shape, and eventually formed into atoms, which now make up everything in the universe. Without this proposed field, particles would simply whizz around space as light would. In July of 2012, an unknown boson particle was discovered. Its properties are still being studied, but many physicists are confident that the God particle has been found. If the Higgs particle has indeed been discovered, incredible advancements could be made in the field of medicine, computing and electronics, and in the quest of learning how the universe came to be.
What is The particle thought to carry the gravitational force is the?
graviton.
What scientist thought earth was at the center of the universe?
The Greek astronomer Claudius Ptolemy believed that Earth was at the center of the universe in his geocentric model, which was widely accepted in the ancient world. This view held sway until the heliocentric model proposed by Copernicus in the 16th century challenged it.
What is the past particle for think?
infinitive: think past: thought past participle: thought
Did thought create the universe?
The idea that thought created the universe is purely speculative and not supported by scientific evidence. The current understanding is that the universe was formed through natural processes such as the Big Bang.
