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What is the center of the atom?
The center of an atom is called the nucleus. It consists of positively charged protons and neutral neutrons, tightly packed together. The nucleus contains most of the atom's mass in a very small volume.
What is the mass and volume of the nucleus?
The nucleus is a very small part of an atom, containing nearly all of its mass in a tiny volume. The mass of a nucleus depends on the number of protons and neutrons it contains, while its volume is estimated to be about 1 femtometer cubed, which is extremely small.
Elaborate on what the nuclear model of the atom indicates about the volume in the atom.?
The nuclear model of the atom suggests that an atom is mostly empty space with a small, dense nucleus at the center. The volume of an atom is therefore primarily occupied by this empty space, with the nucleus accounting for a very small portion of the total volume.
Describe the experimental basis for believing that the nucleus occupies a very small fraction of the volume of the atom?
The experimental basis for believing that the nucleus occupies a very small fraction of the volume of the atom comes from the results of the Rutherford gold foil experiment. In this experiment, alpha particles were fired at a thin gold foil, and most particles passed straight through, indicating that the nucleus, where most of the atom's mass is concentrated, is very small compared to the overall size of the atom. This led to the development of the planetary model of the atom, where electrons orbit a small, dense nucleus.
What occupies a small amount of the total space inside an atom?
Electrons occupy a small amount of the total space inside an atom. They are negatively charged particles that move around the nucleus, which contains protons and neutrons. The majority of the volume within an atom is actually empty space.
Is the nucleus of an atom big?
no
What is in an atom except a nucleus?
an atom has gas,dust and ice. In the middle there is a small nucleus
Is the very small dense center of an atom?
Nucleus
The part of the atom that is small and dense is?
The nucleus is the small and dense center of an atom. It contains protons and neutrons, which are the subatomic particles that make up the majority of the atom's mass.
What is a small particle in the nucleus of the atom?
nuciels
What is the name of the very small negatively charged particle found in the nucleus of an atom?
The small, negatively-charged particle in an atom is an electron. However, this is not in the nucleus. The small negative particles in the nucleus are down quarks, which are smaller than protons and electrons. Strange quarks and bottom quarks are also negative, but are not found in the nucleus.
Where in the atom is the mass of the atom concentrated?
It is the nucleus. Mass of electrons is too small
What is the very small center core of the atom?
nucleus
How big would the nucleus be if an atom was the size of the earth?
If an atom were scaled up to the size of the Earth, the nucleus would be incredibly small in comparison—about the size of a marble or a small pea. In this analogy, while the Earth represents the entire atom, the nucleus would occupy a tiny fraction of the space, illustrating just how vast the empty space is within an atom. The electrons would be located far away from the nucleus, akin to being in orbit around the Earth at a significant distance.
What is the very small dense region of an atom?
The very small dense region of an atom is the nucleus. It contains protons and neutrons, which are tightly packed together at the center of the atom. Electrons orbit around the nucleus in the electron cloud.
How much bigger is an atom compared to its nucleus?
The atom is about 10,000 times as big as the nucleus.
What describes the nucleus of an atom?
a big ball of protons and nutrons
