Br- Se2- Rb+ A and B B and C A and C A, B, and C

Q: What's the full electron configuration of the cation Mg2+ ? 1s? 2s? 2p6 1s2 2s2 2p6 3s? 3p4 1s2 2s2…

A: Electron configuration is written by filling electrons into subshells in increasing order of their…

Q: Select the group number. Select the generic outer electron configuration. O 1A (1) 2A (2) O ns np' O…

A: The given element X has 6 electrons in the valence shell. Valence electrons= 6. The generic…

Q: Which electron configuration violates Hund's Rule? 1s 2s 2p 1s 28 2p 1s 2s 2p 11 1 1 2s 2p 1s 2s 2p…

A: Hund's Rule: Hund's rule states that every orbital in a subshell is singly occupied with one…

Q: Arrange each set in order of increasing atomic size:(a) Rb, K, Cs     (b) C, O, Be      (c) Cl, K, S…

A: The atomic radii of an atom reduce going across the period and increase going down the group. The…

Q: What element is represented by each electron configuration? a. 1s2 2s2 2p5 b. [Ar] 4s2 c. [Xe] 6s2…

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

Q: What element is represented by each electron configuration? a. 1s2 2s2 2p5 b. [Ar] 4s2 c. [Xe] 6s2…

A: Given configurations,    d. [Kr] 5s2 4d10 5p4    e. [Rn] 7s2 5f13    f. 1s2 2s2 2p6 3s2 3p6 4s2 3d10…

Q: Which one of these has the largest first ionization energy?   Group of answer choices Mg Ca Ba Sr

A: Ionization energy and its trend in a periodic table:

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: How many valence electrons are present for an atom whose electron configuration is as follows: 1s2…

A: The given electronic configuration is : 1s2 2s2 2p6 3s2 3p6 4s2 3d6

Q: A certain atom has a 3noble gas45s24d105p4 electron configuration.Which element is it?(a) Cd (b) Te…

A:

Q: Order the elements, S, Cl and F in terms of increasing atomic radii Group of answer choices Cl, F,…

A: Before discussing the atomic radii trend between the given three elements S,Cl and F, their position…

Q: Table 1. Electron configurations of selected atoms using spdf notation Atom Electron configuration…

A:

Q: Which element has the following electron configuration: 1s2 2s2 2p6 3s2 3p6 452 3d10 4p6 5s2 4d5? O…

A:

Q: Arrange each set in order of decreasing atomic size: (a) Cl, K, S (b) Mg, K, Ca (c) F, Ne, Na (d)…

A: The size of the atoms decreases from left to right across a period and decreases down the group in a…

Q: Which two electron confugurations represent elements that would have similar chemical properties?…

A: Electron configurations:

Q: Arrange each set of atoms in order of decreasing IE1:(a) Na, Li, K      (b) Be, F, C      (c) Cl,…

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

Q: The spheres below represent atoms of Sb, As, P, and N (not necessarily in that order). r-75 pm (a)…

A: Along the period force of attraction between proton and electron is increases.  Along the group…

Q: Element with no unpaired electrons

A: For finding out the unpaired electrons we have to write the electronic configuration and then we…

Q: Input the symbol for the element that has this electron configuration: [Ne] 3s? 3p5

A: A question based on electronic configuration, which is to be accomplished.

Q: Select the group number. Select the generic outer electron configuration. O 1A (1) O 2A (2) O ns np'…

A: Solution: In modern periodic table elements are in same column are called same group elements.…

Q: Choose the larger atom or ion from each group and explain why it is larger:    Cl or Cl-  K or K+…

A: When an electron is removed from an atom, a cation is obtained as a resulting species and when an…

Q: Select the group number. Select the generic outer electron configuration. O 1A (1) 2A (2) O ns np' O…

A: Answer:- This question is answered by using the simple concept of determination of group number of…

Q: Given the table below, answer the following questions: Group Number (Old) Group Nu Atomic Element…

A: Periodic table has 18 groups and 7 periods. Each group has different elements with same properties.…

Q: III. Multiple Choice Directions: Choose the letter that corresponds to the correct answer. Write the…

A: Since you have asked multiple questions questions, we will solve the first three question for you.…

Q: Part A: Considering the following electron configuration, how many valence electrons does this…

A:

Q: The spheres below represent atoms of Sb, As, P, and N (not necessarily in that order). r-110 pm (b)…

A:

Q: What type of sublevels (s,p,d,f) are present in n=2? O only the s-sublevel O s,p,d, and f O s and p…

A: There are 4 quantum numbers that define the complete configuration of the system. 1). Principal…

Q: Element whose third shell contains six electrons a. 1s2 2s2 2p6 3s2 3p5 b. 1s2 2s2 2p6 3s2 3p6 c.…

A: Electronic configuration of an element depicts the filling of its electrons in various shells,…

Q: Arrange each set in order of decreasingatomic size:(a) Ge, Pb, Sn(b) Sn, Te, Sr(c) F, Ne, Na(d) Be,…

A: Atomic sizes increases down the group and decreases along the period.

Q: soelectric series? Se2 , F, Kr, Rb* 02-, Br, Kr, Rb* Se2", Br, Kr, Na+ Se2 , Br, Kr, Rb+

A: Isoelectronic species are  atoms or ions that have the same number of electrons. In isoelectronic…

Q: Which atom has the largest (first) ionization energy? Group of answer choices Mg Sr Si S

A:

Q: Respond to questions on Electron configuration of atoms and ions: 1. What is the electron…

A: Electron configuration : it is the arrangement of electrons of an atom or molecule in atomic or…

Q: rank the ions in each set in order of increasing size:  (a) V2+, V3+ (b) Rb+, K+, Cs+ (c) I-, Ba2+,…

A: In periodic table, as we move left to right the atomic size decreases due to the Zeff increases but…

Q: 1. a. C. 2. a. C. Write a complete ground-state electron configuration for each of the following…

A: 1.  Atomic number of Ar -  18       Atomic number of Rb -  37      Atomic number of S -  16…

Q: Using only the periodic table, arrange each set of atoms inorder from largest to smallest: (a) K,…

A: Atomic size is the distance between the nucleus to the outermost shell of the atom. In the periodic…

Q: 2. Which is TRUE about the 3p electrons in sulfur? (A) They travel in a figure 8 orbit (B) They are…

A: The increase in shell number  energy also increases

Q: 4.52 Identify the elements that have the following electron arrangements: Energy Level 1 4 a. b. с.…

A: Here electron arrangements of some elements are given.Electrons are distribute in different energy…

Q: "hat is the maximum number of electrans that can be contaaned in the a a 3d orbital Maximum number…

A: Following are the maximum no. Of electrons that can be occupied by given orbitals.

Q: s4 2s2 2p4 3s 3p4 4s2 3d'o 4p4 5s2 4d'o 5p4 4fy 5d'o 6s2 Will it Likely: (+)Steal Electrons, ()Give…

A: In the periodic table s- block elements (metal) have tendency to give away electrons while p-block's…

Q: Identify the shell, subshell, and number of electrons for the following: (a)2p3 . (b) 4d9 . (c) 3s1…

A: NOTE ; Since you've posted multiple sub-parts,we'll solve only first three sub-parts for you. To get…

Q: In each of the following pairs, which has the bigger radius? 0²- Mg2+ N W: X: Y: Z: < BUDE B. C. A.…

A: We use the below rules to compare the radius of different elements/ions in periodic table:

Q: Respond to questions on Electron configuration of atoms and ions: 1. What is the electron…

A: 1. Electronic configuration of bromine (Br-35) is 1s22s22p63s23p64s23d104p5.

Q: Choose the larger atom in each pair.(a) C or O (b) Li or K (c) C or Al (d) Se or I

A:

Q: Which element has the following electron configuration: 1s2 252 2p6 3s2 3p6 4523d10 4p6 552? Sr Ca O…

A: A multiple choice question based on electron configuration, which is to be accomplished.

Q: What is the electronic configuration of Mg? Select one: 2. a. [Ne] 3s 21 b. [Ar] 3s 2 3 C. [Ne] 3s…

A: Electronic configuration of Mg is given below

Q: Rank the following atoms according to their size. Rb, Sr, Sb, Sn, In

A: The atomic size decreases across a period as the number of electrons increases and higher effective…

Q: Write out the electron configuration in standard notation for each type of atom below. a. He b. Cl…

A: Given          a. He b. Clc. Fe d. Br

Q: (Q78) For what reason do transition metals frequently form cations with a +2 charge? A) They tend to…

A: Transition metals are d-block elements. They have incompletely or partially filled d-orbitals.