By using Slaters rules, calculate the effective nuclear charge of the 22nd electron in bromine

Q: Titanium is resistant to corrosion because O its surface is coated with titanium oxide it is hard…

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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: Calculate the effective nuclear charge for calcium ion assuming that core electrons contribute 1.00…

A: Zeff = Z - S.    Or  Z* = Z - σ where Zeff is the effective nuclear charge on an electron Z* is the…

Q: The transition and inner transition metals, it is necessary to removethe s electrons before the d or…

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Q: Determine the ionization energy of phosphorus using the orbital approximation and a Zeff for the 3s…

A: Ionization energy defined as the amount of energy that an isolated gaseous atom in the ground state…

Q: A. A main group element with the valence electron configuration 4s2 is in periodic group It forms a…

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

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Q: 1 Among the three elements of group VIB: Cr, Mo and W, the similarity between Mo and W is greater…

A: Cr, Mo and W all belong as the elements of Group VIB. Hence, the physical and chemical properties of…

Q: Which statement is true regarding Slater's rules and the calculation of effective nuclear charge?

A: Slater's rule : it is used to calculate the effective nuclear charge felt by an electron. Effective…

Q: Using Slater's rules, calculate the effective nuclear charge on a 3d electron of Zn atom? ( atomic…

A: Slater's Rules: Step 1: write the electron configuration of atom in the form: (1 s) (2s, 2p) (3s,…

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: 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: Calculate the effective nuclear charge on a 5s, a 5p, and a 4d clectron in a tin atom.

A: Effective nuclear charge (Z* ) is calculated using the formula:  Z* = Z - σ Z= Atomic number σ =…

Q: where does the reactivity of an atom primarily arise from

A: Atoms are made up of neutrons, protons, and electrons. Neutrons are the non charged particles while…

Q: The Pauli Exclusion Principle requires that

A: According to the Pauli Exclusion Principle, no two electrons can have same set of all four quantum…

Q: Which main group atom would be expected to have the lowest second ionization energy?

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Q: Explain the trend of ionization energy for transition metal across the period.

A: Ionization energy also known as ionization potential is the amount of energy required to remove an…

Q: Q. Arrange the following in their increasing size with the help of slater’s rule and also give…

A: Slater's rule is used to calculate the shielding constant and effective nuclear charge on the…

Q: Based on their positions in the periodic table, predict which has the largest first ionization…

A: Ionization energy Ionization energy represents the amount of energy that will be required to remove…

Q: What are the charges of germanium and antimony in Gd3Sb4

A: Metals take positive change after losing the electrons whereas non-metals take negative charge after…

Q: why doea a transition series contain 10 elements?

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Q: A parameter labeled n is called the repulsion parameter. It appears in the potential energy term…

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Q: Scientist have speculated that element 126 might have a moderate stability, allowing it to be…

A: Adding rows (energy levels) to the periodic table until the element that will have an atomic number…

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: Magnetic Resonance Imaging (MRI) is a medical technology that allows us to create three dimensional…

A: Contrasting agent should be paramagnetic with strong intrinsic magnetic properties. The more…

Q: Would you expect the ionization energies for two isotopes of the same element to be the same or…

A: Ionization energy is the minimum amount of energy required to remove an electron from the valence…

Q: Calculate the effective nuclear charge of the 59th electron in Platinum using slater's rules

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Q: What is the principal quantum number (n) for the valence electrons in lead?

A: Quantum numbers can be defined as the set of 4 numbers that help us to know about the electrons…

Q: Write the general electron configuration of a transition ele-ment (a) in Period 5; (b) in Period 6.

A: General electronic configuration of a transition element (a) in Period 5; (b) in Period 6 has to be…

Q: Galium (Ga) is an element in group III with atomic number 31. By referring to the Periodic Table,…

A: Ionisation energy is amount of energy required to remove electrons from outermost shell of an atom.

Q: What are inner transition elements and main transition elements?

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Q: b.) a 4f electrons in Ce, Pr and Nd. There is a

A: a) a 2p electron in O2-,F-,Na+and Mg2+  Actually Zα1size i.e. if size increases then Z* decreases.…

Q: why the first ionisation energy of Beryllium is higher than the first ionisation energy of Boron ?

A: Ionization energy:  It is the energy required to remove an electron from an atom in gas phase.  The…

Q: 4/ ________ is isoelectronic with scandium. Sr2+ Mn5+ Mn4+ Mn4- Mn

A: ANS. MN+4

Q: The number of unpaired electrons in the electron configuration of a Te atom is_

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Q: Give judgment on Pauli's Exclusion Law regarding the quantum numbers for outer most electron in…

A: Pauli's exclusion principle states that no two electrons in an atom can have the same four…

Q: Which position of an element of the periodic table is expected to the highest effective nuclear…

A: As the number of protons in an atom increases, the effective nuclear charge increases.

Q: ionization energies of group 1A(1) elements

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Q: The first ionization energy of sodium is 496 kJ/mol. Use Coulomb’s law to estimate the average…

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Q: what are isoelectronic species? give examples.

A: Atoms and ions that have same number of electrons that is same electron configuration are said to be…

Q: The ms quantum number represents __. A) the magnetic properties of an electron B) the angular…

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Q: Nitrogen has a greater first ionization energy than phosphorus. What is the best evidence to support…

A: Nitrogen has atomic number 7 and that of phosphorus is 15   N7 - 1s22s22p3 P15 - 1s22s22p63s23p3 As…

Q: Write the electron configuration for Ag

A: Ag loses 1 electron and become a positively charged ion Ag+. Thus, Ag has 47 electrons . While Ag+…

Q: How can you describe an effective nuclear charge, what is its symbol, and how are atomic radius and…

A: An atom is composed of three main sub-atomic particles; electrons, neutrons and protons. The atomic…

Q: Why Lanthanides and Actinides are separated from the other elements? Please explain briefly.

A: Lanthanides and Actinides are separated from the other elements that have to be explained below.

Q: the element that has a valence electron configuration 3s23p5 is

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Q: Strontium has a visible line in its spectrum at 539.8 nm. What is its energy in kJ/mol?

A: λ= 539.8 nm = 5.398x10-7 m1 nm = 1x10-9 mThen use the equationE = hν = hc/λwhere h = Planck's…

Q: What is the total spin of copper atom in its standard electron configuration? (Chemistry)

A: In writing the electron configuration for Copper the first two electrons will go in the 1s orbital.…

Q: The outermost valence electron in atom A experiences an effective nuclear charge of 2+ and is on…

A: The effective nuclear charge and average distance from the nucleus is +2 and 225 pm of atom A and…