A. A main group element with the valence electron configuration 3s23p3 is in periodic group .It forms a monatomic ion with a charge of . B. A main group element with the valence electron configuration 5s2 is in periodic group .It forms a monatomic ion with a charge of .

Q: Identify the element that fi ts each description. a. an alkaline earth element in period 3 b. a…

A: Since you have posted a question with multiple subparts, we will solve the first three subparts for…

Q: Write the abbreviated electron configuration and group numberfor each of the following elements:…

A: Electronic configuration is termed as the distribution of electrons of an atom or molecule in atomic…

Q: Atomic Radii of the First 86 Elements 300 250 200 150 50 10 Atomic Number .Whais tha ganora trond…

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Q: ment has the electron configuration 1.

A: The electronic configuration denote stage distribution of electrons in different subshells of an…

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

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Q: An element has the following electronic configuration: [Kr]4d105s25p2 (a) What period does it belong…

A: An element has the following electronic configuration: [Kr]4d105s25p2

Q: An element is located in period 5 and has 46 protons. Its electronic configuration could end in:…

A: The element consist of 46 protons which means its atomic number is 46. This is because the number of…

Q: Figure 2.3 How many neutrons do (K) potassium-39 and potassium-40 have, respectively?

A: Mass number is the sum of protons and neutrons present in an atom. The atom contain three…

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: The electronic configuration of an element with atomic number 8 and mass number 16 is O 1s2/2s2 2p4…

A: Electronic configuration is the distribution of electrons of an atom or molecule. It shows the…

Q: (1) The element with an electron configuration of 1s²2s22p°3s 3p°4s²3d is in group and period (2)…

A: Given :- 1) electron configuration : 1s22s22p63s23p64s23d3  2) electron configuration :1s22s22p6  To…

Q: Protons and neutrons have Mass .......... .... wwwww less O equal O high O Other O specific metal…

A: Atomic weight = 180gm/mole Density =16.6 gm/cm^3 ->it is BCC structure.

Q: The electron configuration of an element is [Ne]3s?3p4. The element is a(n) O metal. O actinide. O…

A: The electronic configuration of element given is [Ne] 3s23p4

Q: A. A main group element with the valence electron configuration 4s-4p° is in periodic group It forms…

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Q: Element M reacts with Bromine to form a compound with the formula MBr3. Element M has higher…

A: Part 1- Element M is trivalent. It has a higher ionization enthalpy than magnesium. This means that…

Q: Give the Electronic Configuration of the following number of atoms. a. Element with atomic number…

A: a. Element with atomic number of 19 Element with atomic number of 19 is Potassium (K) The electronic…

Q: Which element would be expected to have properties similar to germanium (Ge)? A) S B) Sn C) Sb D) As

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Q: A. A main group element with the valence electron configuration 2s 2p is in periodic group It forms…

A: The octet rule: According to the octet rule, the atoms form molecules by losing, gaining, or sharing…

Q: (b) (i) Define ionization energy. Ionization energy measurements are usually made when atoms are in…

A: I) Ionization energy is the generic property of an element and can be defined by the energy involved…

Q: Naturally occurring magnesium has the following isotopicabundances: Isotope Abundance (%)…

A:

Q: 2. Use the first-row transition metals (Sc to Cu) as an example to illustrate the characteristics of…

A: First row transition metals from Sc to Cu are Sc, Ti, V , Cr , Mn, Fe , Co , Ni, Cu

Q: Which Group would this element NOT fit into?

A: 1. Group 1 elements are called alkali metals, Group 4 consist of transition metals like Titanium,…

Q: (a) Predict the atomic number of the (as yet undiscovered) alkali-metal element in the eighth…

A: Periodic table: Periodic table are the series of elements where the elements are arranged according…

Q: Antimony belongs to Group SA. What is its correct a. b. Sb-

A: Antimony belongs to Group 5A. The correct electron-dot structure is                       Option d.…

Q: What causes the shielding effect to remain constant across a period? B I

A: Shielding effect across a period:

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

A: Effective nuclear charge is the force of attraction by the nucleus on the electrons present in the…

Q: 8. The most NON metallic element would be 9. An element in group IA is represented by 10. The…

A: Valence electrons :- The number of electrons present in the outermost shell (valence shell) of an…

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: A. A main element with the valence electron configuration 5s- is in periodic group group It forms a…

A: When an atom excepts electrons, it acquires a negative charge whereas when an atom loses electrons…

Q: According to Coulomb’s law, if the separation between two particles of the same charge is doubled,…

A: Coulomb's law states that the potential energy (E) of two charged particles is dependent on their…

Q: What is effective nuclear charge? What is shielding?

A:

Q: Electronic configuration of elements up to atomic number 71

A: The electronic configuration of elements up to atomic number 71 has to be given,

Q: (2) The element with an electron configuration of 1s22s22p63s2 is in group ______and period ____.

A: Electron configuration of Magnesium:

Q: (b) Element X has the electronic configuration 1s22s 2p 3s2 3p. (i) State the block of the periodic…

A: b (i) Given electronic configuration for element X = 1s22s22p63s23p5  Since, Element X has 17…

Q: (a) Use the data in Table  to find the approximate spacing between vibrational energy levels in CO.…

A: Typical values of i and B are on the order of 103 cm- and I cm-', respectively, so the spacing…

Q: D. Match items from column (A) with the suitable one from column (B) (A) (В) Alkaline earth metals 1…

A: The table is given is based on the periodic table.

Q: Question attached

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: xplain the characteristics of Group X elements

A: This question is related to alkali metals.

Q: The correct electron configuration for 17Cl is?

A: Given atom: Cl  Atomic number of Cl = 17  Electronic configuration of elements tells us how the…

Q: 公25 20 ts apx3py2pz 25

A: The electronic configuration of an element represents the arrangement of electrons in its atom in…

Q: Predict the properties of the element #117 . You 8 will have to look for relevant information for…

A: The element, Tennessine has an atomic number 117.  It belongs to Group 17 (halogen family) and 7th…

Q: a. The configuration for the ground state of osmium is [Xe]4f 5d°6s". What are the group and period…

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Q: Based on periodic trends, place the following in order of increasing IE1. N F As O As < F< N OF<As <…

A:

Q: Radioactive emissions known as alpha, beta, and gamma are referred to as "ionizing radiation." This…

A: 1 ) We need to tell the correct statement for the term ionizing radiation

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…