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What evidence convinced John Dalton that elements must be made of individual particles called atoms?
John Dalton was convinced that elements must be made of individual particles called atoms due to his observations of ratios in chemical reactions. He analyzed the ratios at which elements combine with each other to form compounds, and proposed that atoms combine in simple whole number ratios, leading to the development of his atomic theory.
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Why do particles matter to forensic scientists?
Particles matter to forensic scientists because particles can leave behind evidence of the criminal. Particles, only regarded as dust for example and not fibres etc hold great significance and can identify if a body has been moved etc, along with evidence such as livor mortis etc
What evidence did Thompson have that his glowing beam contained negative particles?
Thompson's evidence came from observing the deflection of the beam in a magnetic field. By observing the direction of the deflection and comparing it to the known behavior of negatively charged particles, he inferred that the beam contained negatively charged particles.
What are two different methods used for collecting trace evidence?
Adhesive tape is commonly used to collect trace evidence such as hairs, fibers, or glass fragments by gently pressing the tape onto the surface to lift the particles. Vacuuming is another method where a small vacuum or micro-vacuum is used to collect trace evidence from a surface by suction, which can then be filtered and the particles analyzed.
What does Analysis mean in science?
In science, analysis refers to the process of breaking down a complex system or phenomenon into its individual components to study and understand their relationships, properties, and behaviors. It involves examining data, evidence, and observations to draw conclusions and make interpretations that contribute to scientific understanding and knowledge.
What is the evidence that show cathode rays consists of charged particles?
One piece of evidence is the observation that cathode rays are deflected by electric and magnetic fields, indicating they carry charge. Further evidence comes from the fact that cathode rays produce X-rays when striking a target, which is consistent with the behavior of charged particles like electrons. Additionally, the ratio of the charge to mass of the particles in cathode rays was found to be the same as that of electrons.
How do you make the newspaper convinced?
If they are not convinced now, you need more evidence to support your position.
Can you give an example of a sentence using the word 'convinced'?
"We were convinced that it would be to their advantage to join the club"
What evidence led Dalton to propose his atomic theory?
Dalton's atomic theory was based on his observations of chemical reactions and the Law of Multiple Proportions, which showed that elements combined in simple ratios. He also analyzed the behavior of gases and proposed that they were composed of individual particles. Additionally, Dalton's work on the behavior of gases led him to propose that atoms of different elements had different weights.
You do not want to change though you believe in evolution?
I do not ' believe ' in evolution, but I am convinced by the evidence.
In which film is Julianne Moore convinced against all evidence that she had a son?
The Forgotten
A variety of sunset colors is evidence for a variety of?
A variety of sunset colors is evidence for a variety of atmospheric conditions, such as the presence of different sized particles and gases in the air. These conditions affect how sunlight is scattered, leading to the colorful display we see during sunsets.
What is the best evidence that the particles of matter are constantly moving comes from?
The best evidence that particles of matter are constantly moving comes from the observation of Brownian motion. This is the random movement of particles suspended in a fluid, caused by collisions with molecules of the surrounding medium. The continuous, random motion of these particles provides strong evidence for the kinetic theory of matter.
What evidence supported thomsons hypothesis that the negative particles he observed from inside atoms?
Thomson had two pieces of evidence: 1- No matter what metal he used for the disk, the particles produced were indentical. 2- The particles had about 1/2000 the mass of a hydrogen, the lightest atom. These experiments provided the first evidence that atoms are made of even smaller particles.
Proposed that matter was made of tiny indivisible particles He called these units atoms He did not have evidence to support his theory?
The proposed individual indivisible particles were atoms, and this idea laid the foundation for modern atomic theory. Although he lacked experimental evidence at the time, subsequent scientific discoveries have validated the existence of atoms as building blocks of matter.
What evidence supported Thomson's hypothesis that negative particles he observed came from inside atoms.?
Thomson had two pieces of evidence: 1- No matter what metal he used for the disk, the particles produced were indentical. 2- The particles had about 1/2000 the mass of a hydrogen, the lightest atom. These experiments provided the first evidence that atoms are made of even smaller particles.
What attractions do the solid particles have between each other?
evidence that particles have spaces between each other
What is the differences between class and individual evidences?
Class evidence is common to a group of objects or persons, while individual evidence can be linked to a unique source. Class evidence can help narrow down a pool of suspects, while individual evidence can provide a stronger link to a specific person or object. Class evidence is less specific and can be shared among multiple sources, while individual evidence is more specific and can help to identify a singular source.
