which has the smallest atomic radii K* ce- Ar 52- All Of these hare the same atomic Radi

Q: IF an unknown element has an atomic mass of 119 and a quantum number sequence of 5, 1, 0, +1/2…

A: Given that -  Atomic mass of element = 119  And, the sequence of all quantum numbers is = 5,1,0,+1/2…

Q: 11.48

A: Whenever there is transition of electron from a higher energy level to lower energy level, some…

Q: In an atom, an electron moves from the first level (n=1) up to the third level (n=3) by absorbing…

A: It is given that an electron initially moves from an energy level (n=1) to an energy level (n=3) and…

Q: State the number of valence electrons in each of the following neutral atoms, and state the orbitals…

A: Note: As per our guidelines, we are supposed to answer only three subparts when multiple subpart…

Q: Atomic Radii of the First 86 Elements 30 200 50 10 20 30 40 Atomic Number 4. Whatis tha ganaral…

A: We would use the given plot to answer about the trends .

Q: 28. The second ionization energy of Mg is 1445 kJ/mol. The first ionization energy is a) 1445 kJ/mol…

A: Which of the following is correct

Q: Identify each element below, and give the symbols of the other elements in its group: (a) [Ar]…

A: For a given electronic configurations, the element name and symbol of the element has to be…

Q: which of the following atoms is paramagnetic in its ground state? a. sodium (Na) b. nobelium (No) c.…

A: Paramagnetism is a kind of magnetism in which some materials are less attracted by external magnetic…

Q: 1. Give the electronic configuration of the following elements.  a. Cation of element A (Z = 38) b.…

A: Cations are positively charged ions. Anions are negatively charged ions. Cations are formed by the…

Q: 69 19. What is the electron configuration of the aluminum cation? a. Is 2s22p% c. Is'2s?2p°3s²3p! b.…

A:

Q: Identify each element below, and give the symbols of the other elements in its group:(a) [He] 2s22p1…

A: For the given electronic configurations , the correct element has to be identified and symbol of the…

Q: Which element is the most reactive? A:Cs B:BA C: C D: S

A: The given elements are Cs, Ba, C, and S. From these elements Cs and Ba are the metal element and C…

Q: 90 91 92 93 94 95 96 97 98 99 100 101 *Actinides Th Pa Np Pu Cm Bk Es Fm Md 232.0 (231) 238.0 (237)…

A: a. The third element is group 4A is germanium. b. Element number 114 is Flerovium. c. An element…

Q: Which of the following electrons indicated with an asterisk will be the lowest in energy? 2s 1s 1s…

A: The negatively charged electrons are attracted by the positive charge of the nucleus. As the number…

Q: Which one of the following atoms has the largest effective nuclear charge, Zeff? A. C B. N C. O…

A: Given that

Q: the abbreviation electron configuration for Fe (Z=26)

A: An electronic Configuration shows the number and arrangement of electrons in an atom based upon the…

Q: 27. Write the complete electron configuration (spdf notation) for each of the following. A) O B) Ti…

A:

Q: Write the complete electron configuration (spdf notation) for each of the folle A) O B) Ti C) Mg

A: An atom is smallest unit  of matter and it forms a chemical element.

Q: 46. Given below is the electronic configuration of an element. What is the atomic number of the…

A:

Q: 6.124 When a compound containing cesium ion is heatedin a Bunsen burner flame, photons with an…

A: Given: Energy= 4.30×10-19J To find: The color of the cesium flame

Q: What is the electron configuration of a Na* ion? a. 1s 2s 2p* b. 1s²2s²2p³ po biobe u c.…

A:

Q: Atoms of Ca-38 and Ca-40 differ with respect to number of Group of answer choices neutrons orbitals…

A: To find: The atoms of Ca-38 and Ca-40 differ with respect to ??

Q: Assuming the 18-electron rule applies, determine the value of 'n' in (Fe(CO)n] 2, (atomic number of…

A: We have to calculate the value of n for given complex.

Q: 8.23 Write the full ground-state electron configuration for each: (a) Rb (b) Ge (c) Ar

A: The electronic configuration can be defined as the distribution of the electrons in the atomic…

Q: Periodic Table of the Elements 18 VIA keicter 94 Pu Не Syrte - - Ewe p 13 14 15 VA 16 17 IILA NA VIA…

A: The equilibrium constant of reaction is defined as the ratio of product of active masses of products…

Q: How many unpaired electrons are contained in each element: (a) Al; (b) P; (c) Na?

A: The number of unpaired electrons present in given elements has to be determined.

Q: 8.43 Indicate which one of the two species in each of the following pairs is smaller: (a) Cl or Cl¯;…

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

Q: 8.81 Which of these atoms are paramagnetic in their ground state? (a) Ga (b) Si (c) Be (d) Te

A: If a atom has unpair electrons, then we can say that atom as paramagnetic.

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: 7 Which of the following atoms has the largest atomic radii? Group of answer choices In Te Al Se

A: Given group of answer choices, In Te Al Se

Q: What is the maximum number of electrons in each of thefollowing energy levels?a. n 5 1 b. n 5 2 c. n…

A: Given energy levels, a. n = 1 b. n = 2 c. n = 3

Q: How many unpaired electrons are contained in each element: (a) Cl; (b) Se; (c) Cs?

A: the number of unpaired electrons can be determined from the electronic configuration.

Q: Identify each element below, and give the symbols of the other elements in its group:(a) [He]…

A: In the periodic table, every element has the atomic number. The atomic number is defined as the…

Q: If calcium has an emission line at 657 nm, the electron travels from what energy level to n = 2? n;…

A: Answer - The correct option is -(b) = 3 Solution -

Q: of the same element must have different numbers of neutrons. isotopes O electron orbitals Ovalences…

A:

Q: The electron configuration for the strontium atom is: none of these. O 1s2p 1s25-2p 3s-3d-P3p [Kr]…

A: The electronic configuration of an element shows the arrangement of electrons in orbitals of an…

Q: Which atom or ion has the smallest radius? a. Oelement 120 Oelement 119 element 116 b. OBa OSi F

A: Atomic size increases down the group in a periodic table and decreases along the period. If element…

Q: 4. Which element or ion could the energy level diagram represent? 1L 1 14p Ar 1111113d a. 114s b.…

A:

Q: O has ____ unpaired electrons. P3– has ____ unpaired electrons

A:

Q: Which ranks the following atoms in order of increasing atomic radius?  K; Ca; Se; Kr; Ga K; Ca; Ga;…

A: The elements given are K, Ca, Se, Kr and Ga.

Q: What is the maximum number of electrons that can be accommodated in the ‘d’ sub-  shell?…

A:

Q: lonization energy: The minimum energy needed to remove an electron from an atom. le. If the atom is…

A: The ionization energy (IE) of a neutral atom determines the binding capacity of the electrons in an…

Q: Which atom is the smallest? Rb Br K Ga

A:

Q: Which of these ionization processes requires the highest amount of energy?          (A) Na(g)  -->…

A: Ionization energy is defined as the energy required to remove the outermost electron from an…

Q: Rank values from biggest to smallest atomic size. To rank items as equivalent, overlap them. Reset…

A: Since, As we move from left to right in a period then atomic size decreases. When we move from top…

Q: What is correct from multiple choice

A: Since the sum of electrons in electron configuration will give atomic number of element  Hence…

Q: Which of the following has the most number of unpaired electrons? A. S* В. S С. S- D. S2- O D A B.

A: