Which atom would have the largest effective nuclear charge for its valence electrons?

Q: The reactivity of an atom arises from(A) the average distance of the outermost electron shell…

A: The electrons present in outer shells or the valence electrons decide the chemical nature of atoms.

Q: Using their electron configurations, explain why Zn and Cd always form 2+ cations

A: The electronic configuration of Zn is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 The electronic configuration of…

Q: (a) Use orbital diagrams to illustrate what happens when anoxygen atom gains two electrons. (b) Why…

A: The effect of gain of two electrons by oxygen atom is to be illustrated using orbital diagram. Why…

Q: Sulfur forms a monatomic ion which has the electronic configuration of a noble gas. Write the…

A: Electronic configuration of Sulphur is given below:

Q: How does the structure of a lithium ion vary from that of a lithium atom?

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Q: What is shielding effect? Explain effective nuclear charge and calculate it for the last valence…

A:

Q: Write the complete electronic configuration of following atoms or ions

A: The atomic number of chromium (Cr) is ---  24 Therefore, chromium contains 24 protons and in-ground…

Q: Atoms of Group 1 elements have the lowest first ionization energy of all the elements on the…

A: We have atoms of group 1 has lowest 1st ionization energy , but we have largest difference in…

Q: Arrange these elements in order of increasing first ionization energy

A: A tabular array of the chemical elements which are organized by atomic number is called as periodic…

Q: On the basis of electron configurations, explain whyboron has a lower ionization energy than…

A: On the basis of electron configurations, explain whyboron has a lower ionization energy than…

Q: Considering periodic trends, valence electrons in which of the following atoms experience the…

A: Effective nuclear charge refers to the net charge experienced by the electron in an element. It is…

Q: The orbitals composing an atom’s valence electron shell (a) are arranged as concentric spheres (b)…

A: To determine the correct statement for the orbitals composing an atom’s valence electron shell

Q: Which element, W or Au, has the greater number of electrons in antibondingorbitals?

A: Atomic number of tungsten (W) is 74 and atomic number of Gold (Au) is 79. So, Au has more electrons…

Q: When does an electron's affinity become more favorable and less favorable?

A: Answer  electron affinity becomes increasingly negative as we…

Q: How can we determine the number of valence electrons an element has?

A:

Q: The effective nuclear charge (Zeff) felt by the outermost electrons is the weakest for which of the…

A:

Q: Write the valence shell electron configurations and do symbols for P, Na, and Mg.

A: The question is based on the concept of atomic structure. we have been given elements. We have to…

Q: Explain why electron affinity increases across a period and decreases down a group. Explain why…

A: 1. electron affinity -it is the amount of energy released when an electron is added to a neutral…

Q: Give outer-shell configuration for the following ions (Noble gas core): Te2-, Rb+, Br-, Mn2+, Cr3+

A: Electronic configuration refers to the systematic arrangement of electrons in the various shells and…

Q: Using electron configurations, show how Li+ and K+ are formed

A: Electronic configuration refers to the systematic arrangement of electrons in the various shells and…

Q: Why is it possible to abbreviate electron configurations with a noble gas in the noble gas notation?

A: Electronic configuration: It is the arrangement of electrons in the various orbitals of the atom.…

Q: Which atom has the highest first ionization energy?

A: From the given electronic configuration the highest first ionization energy can be shown below

Q: Elements in group 17 have how many valence electrons?

A: Group 17 belongs to Halogens . Halogens has seven valence electrons on their outer most electronic…

Q: Write the electron configuration for Al3+. Also, identify which of these electrons are valence…

A: Atomic no.of aluminium is 13 and it is a p-block element. Having electronic configuration: 1s2 2s2…

Q: Which term refers to how strongly an atom of an element attracts electrons in a chemical bond with…

A:

Q: OOD NAME: PIATTTOS-CHEESE FLAVOR Paramagnetic/ Diamagnetic? Electron Orbital Element Properties Uses…

A: Potassium:  properties: 1.  Potassium is a white powder , solid at room temperature. 2. It belongs…

Q: Which of the following elements have a tendency to lose electrons? O Na, Ca, Al OC N, O O F, CI, Br

A:

Q: • Define ionization energy? How ionization energy does change from left to right along the periods…

A: The ionization energy is defined as amount of energy required to remove loosely electron from ground…

Q: When sodium forms an ion, it loses electrons. How many electrons does it lose, and which orbitals do…

A:

Q: The Lewis structure for a boron atom has electron pair(s) (represented by :) and unpaired electrons…

A: What is ratio of electron pair :lone pair in BF3 ?

Q: Valence electrons in an atom of phosphorus are closer to the nucleus than the valence electrons of…

A: The objective of the question is to explain using the given options that why is that - "Valence…

Q: Which of the energy levels holds the highest-energy electronin a sodium atom?

A: The objective of the question is to explain which of the energy levels holds the highest-energy…

Q: 1

A: Dear student I have given answer to your question in the image format.

Q: ) Give the ground-state electron configuration for each of following substances:

A: Given substances are  1. Phosphorus  2. Cr(II) ion  3. Sulfide ion ( S2- ) 4. Ti (IV) ion

Q: Arrange the atoms according to decreasing effective nuclear charge experienced by their valence…

A:

Q: Use the electron configurations of He, Ne, and Ar to explain why these atoms normally do not combine…

A: According to Lewis theory, inert gas atoms are chemically not reactive.

Q: Specify the full electron configuration, noble gas notation electron configuration, orbital diagram…

A: n atomic physics and quantum chemistry, the electron configuration is the distribution of electrons…

Q: A – most electronegative element in - Period 4. B - smallest atom in Group 5A. C- alkaline earth…

A: A - most electronegative element in Period 4. Answer : bromine Reason : the tendency to attract…

Q: Write the electron configuration for an Al atom. Also, identify which of these electrons are valence…

A:

Q: Why does potassium have a lower first ionization than lithium ?

A: Electronic configuration of Li : 2,1 Electronic configuration of K : 2,8,8,1

Q: Using principles of atomic structure, explain why the first ionization energy of Po is less than…

A: The first ionization energy of Po is less than that of Se.

Q: Write the sets of quantum numbers for the valence electrons in S.

A: Valence electrons means electrons present in outer shell of an atom.

Q: How many electrons does barium have to give up to hav the same electron configuration as a noble…

A: The electron configuration of an atom is the representation of the arrangement of electrons…

Q: Elements on the left side of the periodic table are more likely to form positive ions than those on…

A: Ionization energy is the energy required to remove electrons from the valence shell of an atom…

Q: what are valence electrons in an atom

A: Valence electrons are very small sub-atomic particles.

Q: Which quantity must be determined experimentally inorder to determine the bonding atomic radius of…

A: a.  We cannot determine the bonding atomic mass using the the distance from the nucleus where the…

Q: Determine the number of valence electrons in  element.  S

A: To determine the number of valence electrons in the element S.