Hydrogenic species are those that, like hydrogen, consist of a single nucleus orbited by a single electron. 1s orbital of He⁺. Image by Yzmo. Examples of hydrogenic ions are: He⁺, Li²⁺, Be³⁺, B⁴⁺, C⁵⁺, etc.

Which of the following is hydrogen-like atom?

In physics and chemistry, a hydrogen-like atom (or hydrogenic atom) is an atom with one electron. Except for the hydrogen atom itself (which is neutral) these atoms carry positive charge e(Z-1), where Z is the atomic number of the atom and e is the elementary charge.

Which of the following is a hydrogen like ion?

Examples of hydrogen-like atoms/ions are hydrogen itself, He⁺, Li²⁺, Be³⁺ and B⁴⁺. Because hydrogen-like atoms/ions are two-particle systems with an interaction depending only on the distance between the two particles, their (non-relativistic) Schrödinger equation can be solved in analytic form, as can the ( ...

Which hydrogen line species will have same radius as that of Bohr orbit of hydrogen atom?

• For r=r0​-
• ∵ For n=2,Be+3,
• Hence, n=2,Be+3 will have the same radius of 1st Bohr's orbit of a hydrogen atom.

Is sodium a hydrogen-like atom?

And sodium has 11 electrons while hydrogen has only 1. I wanted to argue that the difference of the number of protons and electrons somehow affects the spin-orbit coupling. But in sodium the nucelus with Z=11 is "screened" by 10 negative charges. So we have 1 free electron, exactly like the hydrogen atom!

Which hydrogen -like species will have the same r adius as that of Bohr orbit of hydrogen atom ?

30 related questions found

Is Lithium a hydrogen like atom?

Such a system is called a hydrogenic or hydrogen-like atom, with atomic number Z. ... Similarly the lithium atom Li consists of three electrons and three protons (and four neutrons). If we strip off two electrons we obtain the ion Li⁺⁺—doubly ionized lithium, which is the case Ζ = 3.

What is isoelectronic with hydrogen?

Hydrogen ion H^(-) is isoelectronic with

Sulphuric acid. The solution which with zinc sulphate solution will give a white precipitate.

Which orbit of he will have the same radius?

Which orbit of He+ will have the same radius? Let rH be the radius first Bohr's orbit of hydrogen atom. Thus, Be3+(n = 2) has same radius as that of the first Bohr's orbit of H-atom.

Which of the following will have same radius as that of first orbit of H atom?

This, Be3+(n=2) B e 3 + ( n = 2 ) has same radius as that of the first Bohr's orbit of H− atom.

What is the longest wavelength of Balmer series in hydrogen spectrum?

6557A˚

What electronic level allows hydrogen?

Hydrogen is the lightest element in the periodic table. As we can see, the hydrogen atom has only one energy level in its configuration. 1s is the lowest energy level possible.

What does single electron species mean?

The species having only a single electron is called single electron species. For eg., H atom, He⁺ ion, Li²⁺ion and Be³⁺ ion. These are also called hydrogen like atoms. Hope it helps.

What is the energy of hydrogen like atom?

The energy of a hydrogen - like atom (or ion ) in its ground state is - 122.4 eV.

What is quantum theory of hydrogen atom?

Given that the hydrogen atom contains a nucleus and an electron, quantum mechanics allows one to predict the probability of finding the electron at any given radial distance . It is given by the square of a mathematical function known as the "wavefunction," which is a solution of the Schrödinger equation.

What do you mean by hydrogen like system?

The hydrogen-like system consists of a single electron of mass m2 and charge −e attracted at distance r by a nucleus of mass m1 and charge +Ze. It is an atomic 1-electron problem covering a series of isoelectronic physical systems depending on the value assumed by the nuclear charge Z.

What are hydrogenic orbitals?

The orbitals obtained when one solves the Schrödinger equation for the hydrogen atom are called “hydrogenic orbitals,” and they are used as the basis for the atomic orbitals of all elements, not just hydrogen.

Which of the following radius of orbit in hydrogen atom is possible?

The Bohr's orbit radius for the hydrogen atom (n = 1) is approximately 0.53 A.

What is the angular momentum of 5th orbit according to Bohr's theory?

6h/2π

In which orbit of He+ angular momentum of the electron is H 2π?

Electrons are always revolving around the nucleus. It possesses angular momentum. So, the angular momentum of an electron is the rotation or the spinning of the electron around the nucleus. The angular momentum of the electron in d orbital is equal to √6 (h/2π).

What is radius of 2nd orbit of het?

The atomic number of the Helium ion and the principal quantum number for the second orbit must be known. Therefore, the radius of the second orbit of the He+ ion is $1.058\mathop {\rm A}\limits^o $. Thus, the correct option is A.

Which orbital gives an electron the greatest probability of closer to the nucleus?

The probability of an electron being “really close” is greatest for the 3s orbital while the average radius is smallest for the 3d orbital.

Which orbit of beryllium ion is same as hydrogen atom 2nd orbit radius?

2nd state of the triply ionised beryllium(Be3+ ion) has the same orbit radius as that of ground state of hydrogen atom.

IS NO+ isoelectronic?

CO, NO+ , N2 is isoelectronic species because the sum of Atomic number of the elements is same.

Which are isoelectronic species?

Atoms and ions that have the same electron configuration are said to be isoelectronic. Examples of isoelectronic species are N^3–, O^2–, F^–, Ne, Na⁺, Mg²⁺, and Al³⁺ (1s²2s²2p⁶). Another isoelectronic series is P^3–, S^2–, Cl^–, Ar, K⁺, Ca²⁺, and Sc³⁺ ([Ne]3s²3p⁶).

Is AR isoelectronic?

And we can see that the potassium ion, K⁺, has the same electronic configuration as the chloride ion, Cl^-, and the same electronic configuration as an atom of argon, Ar. Therefore, Ar, Cl^-, and K⁺ are said to be isoelectronic species.