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What is Ar 5s2 4d10 5p5?
The notation Ar 5s2 4d10 5p5 represents the electron configuration of the element arsenic (As), which has an atomic number of 33. This notation indicates that arsenic has 33 electrons distributed among its electron shells. The "Ar" in the notation represents the electron configuration of the noble gas argon, whose electron configuration is [Ne] 3s2 3p6, and serves as a shorthand way to denote the core electrons of the atom. The 5s2 4d10 5p5 portion specifies the distribution of the valence electrons in the outermost energy levels of the arsenic atom.
What is a univalent radical?
A univalent radical is an atom, molecule or ion that has only one open electron available for bonding, or one valence. Hence, univalent radical.
What is smaller than a yoctosecond?
Nano second maybe?
Which is a reasonable estimate for the radius of an atom?
The diameter of an atom varies between 62 and 520 pm, depending on on the specific type of atom.
Is hydrogen positive or negative?
A hydrogen atom is neutral as it has the same number of protons and electrons. But as an ion, it can be either positive or negative.We usually talk about it in the positive sense; eg. It would donate it's outer electron and gain a positive charge; H+. However, in some compounds it can have a negative charge, H-.In a standard question though, always assume that it loses it's outer electron and is positively charged unless told otherwise in the question.
What does an electron do when a photon is released by an atom?
When an electron releases a photon, it moves to a lower energy level within the atom. This process is known as an electron transition. The released photon carries the energy difference between the initial and final energy levels of the electron.
What do you call an atom if you move an electron in an atom from a low energy level to a higher energy level within the atom?
When you move an electron in an atom from a lower energy level to a higher energy level, it is called an electron excitation. This process requires the electron to absorb energy to move to a higher energy state.
What does the atom do when the electron moves from lower to higher energy level?
When an electron moves from a lower to a higher energy level, it absorbs energy and jumps to a higher orbit. This process is known as excitation. The electron can then release this absorbed energy as light when it moves back down to a lower energy level.
When an electron in an atom moves from a lower energy state to a higher state?
The electron absorbs energy and moves to a higher energy level. This process is known as excitation. The electron can then release the absorbed energy by emitting a photon and returning to a lower energy state.
What is energy released on adding an electron to an isolated gas phase atom?
The energy released on adding an electron to an isolated gas phase atom is called electron affinity. It represents the willingness of an atom to accept an additional electron. The process can release energy if the atom's electron affinity is negative, indicating that the atom is stable after gaining an electron.
When an electron in an atom of hydrogen moves from the second to the first principal energy level the result is the emission of?
When an electron in a hydrogen atom moves from the second to the first energy level, it emits a photon of light with a specific energy corresponding to the difference in energy levels. This process is known as electronic transition or photon emission.
An electron loses potential energy when it?
An electron loses potential energy when it moves to a lower energy level, such as when it transitions between orbitals in an atom or when it moves closer to a positively charged nucleus. This release of energy can manifest as the emission of a photon or the transfer of energy to another particle.
Does electron affinity gain electrons?
Yes. Electron affinity is the process by which a neutral atom gains an electron and the EA is the measure of energy released. The resulting ion will be negative.
What is the relationship between the kinetic energy of an electron in an atom and its position within the atomic structure?
The kinetic energy of an electron in an atom is related to its position within the atomic structure by the principle that as the electron moves closer to the nucleus, its kinetic energy increases. This is because the electron experiences a stronger attraction to the positively charged nucleus, leading to higher speed and kinetic energy. Conversely, as the electron moves farther away from the nucleus, its kinetic energy decreases.
What happens to the electron as it moves closer to the nucleus?
An electron moving towards the nucleus slows down and any energy it contains from a higher shelf is released.
What is the meaning of a negative value for the electron affinity of an atom?
Electron affinity is the amount of energy required to remove an electron from an atom. Or an energy released by adding an electron to a gaseous atom ( ie, negative quantity). In this case, if an element has a negative Electron Affinity, its indicating that this element is stable than the neutral ones.
Potential energy of orbitting electron in an atom is?
The potential energy of an electron orbitting in an atom can be approximated by the coulomb potential V(r) = - e2/(4*pi*epsilon0 *r) Where r is the distance of the lectron from the nucleus. This approximation is for atoms with just 1 electron and 1 proton (i.e Hydrogen) For other atoms it is a bit more complicated but this can still be used as a rough approximation. This is from the bohr model of the atom I think
