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What is the particle that identifies a atom?
The number of protons in an atom's nucleus determines its chemical identity.
What discoveries about the atom did Rutherford make from Hus teams experiments?
He discovered that an atom's positive charge must be clustered in a tiny region in its center, the nucleus
Who developed the first model of an atom with electrons on the outside?
Ernest Rutherford developed the first nucleus and electron model of the atom. It was based on experiments conducted by Geiger and Marsden.
What information do the experimental results reveal about the nucleus of the gold atom?
The experimental results reveal that the gold atom has a highly dense nucleus, as gold is a heavy element. The results also suggest that the nucleus contains protons and neutrons, with the number of protons determining the atomic number of the gold atom. Additionally, experiments may indicate the presence of isotopes of gold with varying numbers of neutrons in the nucleus.
What series lists particles in order from smallest to greatest mass?
Electron, proton, nucleus, atom
How do you know most of the mass of an atom is located in the nucleus?
the experiments of Ernest Rutherford in 1910
Rutherfords alpha scattering experiments showed that the charge on the nucleus of the atom must be?
The atomic nucleus is positive because contain protons.
Based on the data gathered in the Rutherfords scattering experiments the concept of atomic structure was modified Which of the following aspects of the structure of the atom were validated by these?
The Rutherford scattering experiments validated the presence of a small, dense, positively charged nucleus at the center of the atom. They also confirmed that most of the atom's mass is concentrated in the nucleus. Additionally, the experiments revealed that electrons orbit the nucleus at a distance, debunking the earlier "plum pudding" model of the atom.
What is the particle that identifies a atom?
The number of protons in an atom's nucleus determines its chemical identity.
Electrons are organized in a series of what around the nucleus of an atom?
Electron shells, orbitals, and sub-orbitals.
Where is the location of electrons?
The electron can either be by itself outside of an atom, or can be in an atom in a series of energy 'shells' outside of the nucleus.
What did Sir ernest Rutherford do?
He identified the alpha particle as a helium atom and used it in postulating the existence of the atomic nucleus.
Who developed the first model of an atom with electrons on the outside?
Ernest Rutherford developed the first nucleus and electron model of the atom. It was based on experiments conducted by Geiger and Marsden.
What discoveries about the atom did Rutherford make from Hus teams experiments?
He discovered that an atom's positive charge must be clustered in a tiny region in its center, the nucleus
Rutherford's experiments led to the discovery of the?
Rutherford's experiments led to the discovery of the atomic nucleus. Through his gold foil experiment, he found that atoms have a small, dense, positively charged nucleus at their center and that the rest of the atom is mostly empty space. This discovery revolutionized our understanding of atomic structure.
How are atoms identified?
Atoms are normally identified according to the element of which that atom is an example. And that, in turn, is determined by the number of protons in the atom's nucleus. So, any atom that has just one proton is a hydrogen atom. If it has two protons it is a helium atom. And so forth.
What series list particles in order from smallest to greatest?
Electron, proton, nucleus, atom
