The number of unpaired electrons in the electron configuration of a Cr atom is.

Q: Explain how to write an electron configuration for a transition metal cation. Is the order of…

A: The electron configuration of a transition metal cation is written by removing the electrons first…

Q: Which of the following electron configurations for the atom in its ground state is incorrect? A. Al:…

A: B is the incorrect  Cr have electronic configuration 3d54s1 because 1 electron from 4S Excited into…

Q: How many unpaired electrons does N2- have?

A: N2- is Nitrogen with a charge of -2.

Q: the electron configuration [Ar]4s2 is for which ground state atom? Sr Mg K Rb Ca or Br

A: We need to find the electronic configuration of [Ar]4s2 .

Q: Calculate the effective nuclear charge on a valence electron in a bromine atom.

A: The effective nuclear charge Z* = Z - S  Z = number of protons in the nucleus  S = average amount of…

Q: Use Slater's rules estimate the shielding constant (S) and the effective nuclear charge (Zeff) of…

A:

Q: When filling degenerate orbitals, electrons fill them singly first, with parallel spins is known as…

A: Rules for filling of electrons in orbitals:   (1) Aufbau principle: Orbitals are filled in order of…

Q: Iron ends in a 3d electron configuration. Which sketch below, for these six e-, is best and why? I…

A: Hund's rule of maximum multiplicity: According to this rule, the pairing of electron in a subshell…

Q: 23. Tin (in group 14) can form both Sn²+ and Sn²+ ions, but magnesium (in group 2) forms only Mg²+…

A: Given that, tin (in group 14) can form both Sn2+ and Sn4+ ions, but magnesium (in group 2) forms…

Q: The first ionization energy of aluminium (element 13) is lower than that of magnesium (element 12).…

A: i) The electronic structure of Magnesium (Mg, atomic number 12) is 1s2 2s2 2p6 3s2 The electronic…

Q: Describe how to write an electron configuration for a transition metal cation. Is the order of…

A: The electron configuration of a transition metal cation is written by removing the electrons first…

Q: Condensed electron configuration for Ni?

A: atomic number of Ni = 28 number of electrons= 28

Q: What is the core and full electron configuration for Mg2+ and Mo2+

A: Given: Mg+2 and Mo+2. To find : core and full electronic configuration. Solution : As we know that,…

Q: Predict the electronic configurations of the first two excited states (next higher-energy states…

A: The electronic configurations of the first two excited states of Pd has to be predicted

Q: Cr has ____ that is(are) unpaired in its d orbitals

A: Cr (chromium)  Atomic number = 24  Total electrons = 24

Q: Which atom has the following electron configuration in its ground state: [Ar] 4s23d104p1

A: To identify the atom. Which atom will have the given electronic configuration. [Ar] 4s2 3d10 4p1

Q: The electron configuration of a ground-state Co atom is

A: Co is Cobalt  atomic number = 27