The discovery of negatively charged particles and the discovery of electrons are two different things. The concept of negatively charged particles existed before the discovery of the electron.

1. The concept of negatively charged particles: In the early 19th century, scientists knew that certain objects could be charged, either positively or negatively. This was based on observations of phenomena like static electricity. However, they didn't know what was causing this charge.

2. The discovery of the electron: The electron was discovered by J.J. Thomson in 1897. He was studying "cathode rays" - streams of particles produced in a vacuum tube. He found that these particles were negatively charged, and much smaller than an atom. He realized that these particles were a universal component of matter, and he called them "electrons".

So, while scientists knew about negatively charged particles, they didn't know that these particles were actually subatomic particles (electrons) that exist in all matter. The discovery of the electron was a major step forward in our understanding of the structure of the atom.

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The discovery of negatively charged particles and the discovery of electrons are two different things. The concept of negatively charged particles existed before the discovery of the electron.

1. The concept of negatively charged particles: In the early 19th century, scientists knew that certain objects could be charged, either positively or negatively. This was based on observations of phenomena like static electricity. However, they didn't know what was causing this charge.

2. The discovery of the electron: The electron was discovered by J.J. Thomson in 1897. He was studying "cathode rays" - streams of particles produced in a vacuum tube. He found that these particles were negatively charged, and much smaller than an atom. He realized that these particles were a universal component of matter, and he called them "electrons".

So, while scientists knew about negatively charged particles, they didn't know that these particles were actually subatomic particles (electrons) that exist in all matter. The discovery of the electron was a major step forward in our understanding of the structure of the atom.

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The discovery of negatively charged particles and the discovery of electrons are two different things. The concept of negatively charged particles existed before the discovery of the electron.

1. The concept of negatively charged particles: In the early 19th century, scientists knew that certain objects could be charged, either positively or negatively. This was based on observations of phenomena like static electricity. However, they didn't know what was causing this charge.

2. The discovery of the electron: The electron was discovered by J.J. Thomson in 1897. He was studying "cathode rays" - streams of particles produced in a vacuum tube. He found that these particles were negatively charged, and much smaller than an atom. He realized that these particles were a universal component of matter, and he called them "electrons".

So, while scientists knew about negatively charged particles, they didn't know that these particles were actually subatomic particles (electrons) that exist in all matter. The discovery of the electron was a major step forward in our understanding of the structure of the atom.

if we were known about negatively charged particles why we were not knowing about electrons

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