Identify each element below, and give the symbols of the other elements in its group:(a) [He] 2s²2p¹(b) [Ne] 3s²3p⁴(c) [Xe] 6s²5d¹

Q: How does d-electron shielding influence atomic size among the Period 4 transition elements?

A:

Q: ionization energy

A: Ionization energy is defined as the amount of energy required in order to remove most loosely bound…

Q: magnesium aluminum sulfur silicon

A: To solve this question,  it is very important to write electronic configuration of all the species…

Q: the configuration for the ground state of iridium is xe 4f14 5d 6s2 what are the group and period…

A:

Q: The alloy SmCo5 forms a permanent magnet because both samarium and cobalt have unpaired electrons.…

A: The given alloy is SmCo5.  Where Sm is samarium and Co is cobalt.

Q: The elements of the second row of f-block, as known as actinides, are considered the second inner…

A: The two rows that are placed underneath the Periodic Table are called the Lanthanide series and the…

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: 7.55 Give three examples of first-row transition metal (Se to Cu) ions that are isoelectronic with…

A: Argon is an element that belongs to the group of noble gases. It has an atomic number of 18. The…

Q: Explain why the s-block of the periodic table is twogroupswide, the p-block is six-groups wide, and…

A: The reason why s-block of periodic table is two groups wide, p-block is six-groups wide and d-block…

Q: 5. How to tell the position of an element in the periodic table? Take the examples of 16S and 26Fe…

A: In periodic table, different type of elements are Present in different groups and period, according…

Q: (1) What is the name of the element with a valence electron configuration of 4s²4p*? (2) What is the…

A: Given valence electronic configuration 1. 4s2 4p4 2. 3s1

Q: A. A main group element with the valence electron configuration 3s23p1 is in periodic group…

A: A) A main group element with the valence electron configuration 3s23p1 is in periodic group metallic…

Q: This question is about d-block elements. (a) Most d-block elements are also classified as transition…

A: Please find your solution below : The d-block elements that have partially filled d- orbitals in…

Q: An atom of chromium has ___ unpaired electrons and is ___.     3, diamagnetic     5, diamagnetic…

A: Atomic number of chromium=24Electronic configuration=Aπ 3d54s1…

Q: Provide explanations of the following phenomena: The electron configuration of Ti is [Ar] 4s2 3d2,…

A: The given statement is, The electron configuration of Ti is [Ar] 4s2 3d2, but that of Cr2+ is [Ar]…

Q: Note from the following table that there is a significant increasein atomic radius upon moving from…

A: A neutral atom has an identical number of electrons and protons. The power of the outermost electron…

Q: 7.20 Without referring to a periodic table, write the electronconfiguration of elements with the…

A: Electronic configuration of an element describes how the electrons are distributed in its atomic…

Q: why iodine is dark violet in colour?

A: Visible region: The electromagnetic radiation in range of is regarded as visible region which is…

Q: Find the electron configuration of the element with z=33. And say which group and period it is in…

A: To find: The electron configuration of the element with z=33. And say which group and period it is…

Q: 5. Which of the following is the electron configuration of 02-? a. 1s 22 2 p6 b. 1s 252 2p* c. 1s 2…

A:

Q: 6. Identify the ions with a net charge of 3+ and the following configurations. A. [Xe]4A45d B.…

A: As ions has +3 charges, thus to get the corresponding atom, we have to add 3 electeons with…

Q: Define the term transition elements?

A: ● Transition elements (also known as transition metals) are elements that have partially filled d…

Q: Which element has the electron configuration 1s²2s²2p⁶3s²3p⁶4s²3d⁵?

A: Total number of electrons =( 2+2+6+2+6+2+5 )  = 25 We know that, Atomic number = number of protons…

Q: If the ground state electron configuration of an element is [Ne] 3s23p1, what is the typical charge…

A: Given - ground state electronic configuration = [Ne]3s23p1

Q: Which transition-metal ion with a 3+ charge has the electron configuration [Kr]4d?

A: Transition metal atom and ions are those elements which lie in between s and p block elements and…

Q: Indicate whether technetium, Z = 43, would be expected to be paramagnetic. Technetium is not…

A:

Q: Write the ground-state electron configurations of the d-metals from yttrium to cadmium.

A: To find: Ground state configuration of yttrium to cadmium

Q: 8.29 Write the ground-state electron configurations of the following transition metal ions: (a)…

A: Ground state electron configuration of transition metal ions.

Q: why is ionisation energy of 5d transition series higher than 3d and 4d?

A: The amount of energy required to remove an electron from the outermost shell of gaseous atom to form…

Q: How many unpaired electrons would you expect for chromium in [Cr(H2O)6]3+? Is this a paramagnetic or…

A: To determine the unpaired electrons, first make the orbital diagram of the transition element…

Q: A. A main group element with the valence electron configuration 3s23p3 is in periodic group .It…

A: a monatomic ion with a charge of:

Q: Which of the following is the correct complete electron configuration notation for Ni2+ ?…

A: Given: Ni2+

Q: Which of the following is the expected electron configuration for a cadmium (II) cation (Z = 48)? A)…

A:

Q: which of the d-block elements are not regarded as transition elements?

A: A transition metal is one which has incomplete outer d-orbitals when it forms one or more stable…

Q: Give an example of an ion from the first transition series with no d electrons.

A: A transition metal can form one or more stable ions that may have incomplete electron occupied…

Q: Place the following elements in order of  decreasing atomic radius. Cd Rb Xe     Rb > Cd > Xe…

A: In a periodic table elements are arranged on the basis of their atomic number and on the basis of…

Q: 21. Order the following atoms in increasing first ionization energy: Cr, O, P, Rb

A:

Q: For Cr23+ ion, calculate the wavelength of the light that is emitted upon the electron's transition…

A:

Q: The electron affinities, in kJ>mol, for the group 1B and group2B metals are as follows: (a) Why…

A: Electron affinity means the amount of energy released when one electron is added to the uppermost…

Q: (1) What is the name of the element with a valence electron configuration of 3s-3p*? (2) What is the…

A: Since the period number of the element is given by the valence shell number  and group number of the…

Q: As we move across a period of the periodic table, why dothe sizes of the transition elements change…

A: The reason is as given below;

Q: How many unpaired d-electrons could Re(CO)5 have? Which is more reasonable? Why?

A: The coordinate complex is formed by the formation of a coordinate bond between a metal ion and the…

Q: The atomic number of an element is 73. Is this element diamagnetic or paramagnetic? Explain why? (No

A:

Q: (1) The element with a valence electron configuration of 4s²4p³ is in group and period (2) The…

A: It’s given below:

Q: The electron configuration for vanadium (V) is O [Ar] 4s 3d³

A: The distribution of electrons in an element's atomic orbitals is described by its electron…

Q: Which of the following particles is paramagnetic? A S2- В Zn C Ca2+ D Cu* E Cr3+

A:

Q: Write the condensed ground-state electron configurations of these transition metal ions, and state…

A: Electronic configuration gives the distribution of electrons in an atom.

Q: The electron affinities, in kJ/mol, for the group 1B and group2B metals are as follows: (a) Why are…

A: (a) The group 2B elements are zinc (Zn), cadmium (Cd) and mercury (Hg). The ground state…