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Nucleus is the positively charged central core of the atom. It was discovered by Sir Rutherford during the alpha particle scattering experiment. But later by Sir Chadwick neutrons were also discovered along with protons in the nucleus.
The nucleus is positively charged, small and is heavier than alpha particles.
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What did Rutherford discover in the core of an atom?
Rutherford discovered the atomic nucleus and the proton. A short answer for the Rutherford atomic model: the atom is composed from a central part - a nucleus, positively charged, surrounded by electrons - very small negative charged particles.
What part of the atom was discovered by Rutherford?
Rutherford discovered the atomic nucleus and the proton. A short answer for the Rutherford atomic model: the atom is composed from a central part - a nucleus, positively charged, surrounded by electrons - very small negative charged particles.
Where in an atom is a proton found?
A proton is found in the nucleus of an atom, along with neutrons. The nucleus is the central core of an atom, which contains positively charged protons and neutral neutrons. Electrons, which have a negative charge, orbit around the nucleus.
What did ernest rutherford conclude about the nucleus of an atom?
Ernest Rutherford concluded that the positive charge of an atom is concentrated in a dense core at the center called the nucleus. This discovery came from his gold foil experiment, where he observed that most of the alpha particles passed straight through the foil, indicating that most of the atom is empty space.
Who is the scientist who suggested that atoms contain a hard core containing most of the mass of an atom?
The scientist that suggested and proved that atoms contained a nucleus in which most of the weight of the atom was contained (in a very small volume) was Ernest Rutherford, in 1909. This was shown in the 'gold foil' experiment. This was made by shooting positively charged alpha particles, or a positively charged helium atom (2 protons, 2 nuetrons). these then when shot at the gold foil. some of the alpha particles just passed through the gold foil, but some were deflected. this proving that some hit the nucleus while others did not.
What is the positively charged central region or core of an atom called?
NUCLEUS ---------------------------------------------------------------------- In an atom, there are three subatomic particles. Two of them are found in the central region known as the nucleus: the proton, which is positively charged and neutron that does not have a charge. Another region, containing the negatively charged electron, is known as a cloud, an electron cloud if you want.
What is found in the core of an atom according to scientist Rutherford?
According to scientist Rutherford, in the core of an atom is a positively charged nucleus and the nucleus is surrounded by negatively charged electrons.
How can you describe in words ruthfords model of the atom?
the atom as a tiny, dense, positively charged core called a nucleus
What did Rutherford discover in the core of an atom?
Rutherford discovered the atomic nucleus and the proton. A short answer for the Rutherford atomic model: the atom is composed from a central part - a nucleus, positively charged, surrounded by electrons - very small negative charged particles.
What does a nucleus mean in science?
In science, a nucleus refers to the central part of an atom that contains protons and neutrons. It is the dense core of an atom where the majority of its mass is concentrated. The nucleus is positively charged due to the presence of protons.
The nucleus of an atom consists what part?
an atom consists of a central nucleus of protons and neutrons with electrons moving around it some distance away.
What was Rutherford's contributions to the atomic theory?
Ernest Rutherford contributed to the atomic theory through his gold foil experiment. He discovered that there was a positively charged central core to the atom and he called it the nucleus.
In an atom which particle is in motion?
Structure of the AtomThe atom consists of a central, positively charged core, the nucleus , and negatively charged particles called electrons that are found in orbits aka in motion around the nucleus.
What part of the atom was discovered by Rutherford?
Rutherford discovered the atomic nucleus and the proton. A short answer for the Rutherford atomic model: the atom is composed from a central part - a nucleus, positively charged, surrounded by electrons - very small negative charged particles.
Where is the nucleus of the atom found and what does it contains?
In the central core and consists of positive charged protons and neutral neutrons.
What surrounds the core of an atom?
The core of an atom is surrounded by a cloud of negatively-charged electrons that move in various energy levels or orbital shells. These electrons orbit the nucleus, which contains positively-charged protons and neutral neutrons.
Where in an atom is a proton found?
A proton is found in the nucleus of an atom, along with neutrons. The nucleus is the central core of an atom, which contains positively charged protons and neutral neutrons. Electrons, which have a negative charge, orbit around the nucleus.
