How does effective nuclear charge helps us rationalize the trends of atomic radius and ionization energy as we move down a group?

Q: Why does each element have its own unique atomic line spectrum, when all atoms have energy levels…

A: Atomic orbitals are regions where electrons are present. Each atomic orbital is defined by a unique…

Q: Order Al, K, N and Mg in the order of increasing first ionization energy.

A: The amount of energy required to convert from one mole of neutral atom to gaseous ion

Q: A. If an element with the valence configuration 4s23d7 loses 3 electron(s), these electron(s) would…

A:

Q: How many core electrons and how many valence electrons do the following neutral atoms contain?…

A: Four elements are given: Tellurium  is ametalloid; tin - is a metal; bromine is a nonmetal and…

Q: Explain the relationship between the trends in atomic size and in ionization energy within the main…

A: The term ionization energy of an element is defined as the minimum amount of energy which is…

Q: A. A main group element with the valence electron configuration 4s¹ is in periodic group It forms a…

A: Answer: Every element during a chemical reaction tries to have an electronic configuration like a…

Q: Explain Trends in First Ionization Energy?

A: Ionisation energy of any element is defined as the energy required to remove valence electron from 1…

Q: How do you calculate the effective nuclear charge for the valence shell electrons of Cl-?

A: Effective nuclear charge of valence shell electron of Cl- ion:

Q: Express the number 554,780,000,040 in scientific notation to three significant figures.

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Q: Would you expect the second ionization energy for a given element to be greater or less than the…

A: Ionization Energy The minimum energy required to remove the most loosely held electron from a free…

Q: What patterns exist for atomic size as you go across a row and down a column?  Explain these…

A: From given  Initially shielding effect and nuclear charge explained briefly and then we are just…

Q: iguration from trends in... The first five ionization energies (IE, through IE,) of a Period 3…

A: From given  There is huge difference between IE1 and IE2

Q: The following data shows the successive ionization energies (in kJ/mol) for an element: IE1: 1242…

A: Ionization energy is the amount of energy required to remove the most loosely bound electron form an…

Q: Rank the elements by effective nuclear charge, Zeff,Zeff, for a valence electron. Highest ZeffZeff…

A: An atom consists of certain sub-atomic particles which are arranged in atom in such a way that…

Q: A. A main group element with the valence electron configuration 5s²5p4 is in periodic group It forms…

A: The given elements can donate or accept electrons to complete the octet. The number of electrons…

Q: answer the following question regarding atoms of the following elements As, Br, Ca, Ga, K List…

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Q: how does effective nuclear charge helps us rationalize the trends of atomic radius and ionization…

A: As we move down the group a shell of electron is added to an and size of the atom increases due to…

Q: It is correct to say for the definition for ionisation energy- the energy required to remove valence…

A: Atom is the smallest particle. In an atom, there is nucleus at the center and electrons are…

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

A: Answer-1 In both mentioned elements final electron has been filled in p-subshell, therefore both the…

Q: What do the values for ionization energy tell us about reactivity of the elements (both metals and…

A: The question is based on the concept of ionization energy. we have to explain the meaning of value…

Q: How does effective nuclear charge helps us rationalize the trends of atomic radius and ionization…

A: The distance from centre of the nucleus to the outermost cell is called radius of an atom .  it…

Q: Why does electron affinity tend to become more exothermic as you move right across a period? Hints

A: The electron affinity is the amount of energy released on addition of an electron to a neutral atom.

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: The electron affinity of sodium is lower than that of lithium, while the electron affinity of…

A: The tendency to accept an electron in the gaseous state to form an anion in the gaseous state is…

Q: Specify which of the following elements you would expect to have the greatest electron affinity: (…

A: The given elements are He, K, Co, S, Cl.  Specify element that is expected to have the greatest…

Q: Use Slater's rule to calculate Zeff for the outermost electron of Si+

A: Atomic number of Silicon Si = 14We have to find out the Zeff for the outermost electron of Si+…