A Chlorine atom has + lelectrons and It has + valence electrons in its shell. Its electronic configuration is It is a nonmetal of group + . It will gain + electrons to become an anion.

Q: Predict the number of valence electrons in an atom of:a. calcium c. cesiumb. potassium d. barium

A: (a) Calcium  Atomic number (Z) = 20  Electronic configuration : [Ar] 4s2  Valence electrons = 2 (b)…

Q: An element having an atomic number of 79 and ion charge of -1; determine the identity of the element…

A:

Q: An element with the electron configuration [noble gas]ns2(n - 1)d10np3 has ____________ valence…

A: The electrons which are present in the outer most shell of the element is known as valence…

Q: Write the electron configuration of the following elements: • Arsenic • Chlorine (with a charge of…

A:

Q: How many protons, neutrons and electrons does the cation contain? How many valence and core…

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

Q: 1) Atoms of which elements  have low ionization energies? 2) what is formed when atoms losses or…

A: Ionization Energy :                          Ionization energy of an atom is the amount of energy,…

Q: Write the electron configuration of the following elements.a. the group 2 element in the fourth…

A: Electronic configuration - The symbolic representation of arrangement of electrons in its orbitals…

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: Predict the charge of the ion formed by each element and writethe electron configuration of the…

A: Every atom wants to have an stable valence shell electronic configuration. And for this purpose, an…

Q: An atom has electrons that fills up the shells from n=1 until n=3. What is the maximum number of…

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Q: 5: The correct electron configuration of Carbon is: A) 1s222n6 27.2

A: Hi! Thank you for the question As per the honor code, We’ll answer the first question since the…

Q: element A? Answer questions 6 and 7 on the blank sheet of paper provided. 6. Draw the ground state…

A: Potassium is a chemical element with the symbol K and atomic number 19. Potassium (K), element of…

Q: Write the electron configurations for the elements below. Use the following format with spaces…

A: Given :-  Name of elements :  Nitrogen  Lithium  To write :-  Their electron configuration…

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: Metals lose electrons under certain conditions to attain a noble gas electron configuration. How…

A: Given :-  Symbol of element = Li  To determine :  The number of electrons that Li lose to attain…

Q: How is the electron configuration of an anion different from that of the corresponding neutral atom?…

A: SOLUTION: Step 1: An anion is formed by the gain of an electron by a neutral atom. The electronic…

Q: e nucleus plus the inner shells of electrons (non-valence) constitute the core of the atom. Core…

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Q: Type the complete electron configuration, and below that the “abbreviated electron configuration”…

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Q: chlorine ) Would you expect the ion to be larger or smaller in volume than the neutral atom? Why?

A: The atomic no. of Cl is 17. It's electronic configuration is: 1s22s22p63s23p5 It has 7 electrons in…

Q: Order these elements from lowest to highest ionization energy 1 | Phosphorus, P 2 | Silicon, Si 3…

A: Ionisation energy is the energy required to remove electron from the outermost shell of an atom.  It…

Q: How is the electron configuration of an anion different from that of the corresponding neutral atom?

A: Anion is formed when an electron is gained by neutral atom  for example of Fluorine  F + e-  ===>…

Q: lodine has an electron configuration of 1s? 2s? 2p® 3s? 3p® 4s? 3d10 4p® 5s² 4d10 5p5. How would…

A: Which is correct option regarding that, how p5 differ ?

Q: Kr: 1s2. Krypton is found in period 4 of the periodic table. Explain how the electron configuration…

A: Elemental symbol of krypton is Kr  Atomic number of Kr is 36

Q: A certain atom has a [noble gas]5s24d105p4 electron configuration. Which element is it? A)Hg B)Sm…

A: As we know that the electrons are arranged according to their energy levels around the nucleus. And…

Q: A monatomic ion with a charge of +1 has an electronic configuration of 1s²2s²2p°3s²3p°. This ion is…

A: A monoatomic ion with a charge of +1 has an electronic configuration of 1s22s22p63s23p6.

Q: Write the electron configuration for ground state bromine (Br, 35 electrons) and its common ion.

A: The electronic configuration of an electron in the orbital of an atom is done by following rules n…

Q: Identify these elements based on their locations in the periodic table. Give the symbol, not thể…

A: Elements based on their periodic locations: 1.) Period 3, Group 2 (2A) : The third period contains…

Q: What is the predicted charge for a P ion?

A: The element P is found in the nitrogen group of the periodic table. Hence the number of valence…

Q: Nitrogen has an atomic number of seven. How many electron shells does it likely have?

A: In general atom represented as zXA Where X=neutral atom, A=mass number= p+n p=protons, n= neutrons…

Q: (a) True or false: An element’s number of valence electronsis the same as its atomic number. (b) How…

A: a. Atomic number shows all the electrons that are present in the element whereas valence electrons…

Q: Please provide the chemical symbol for the element with the following electron configuration.…

A: Given :  Electron configuration =  1s2 2s2 2p6 3s1  To provide :  Chemical symbol of element

Q: You and your classmates have been given an electron configuration and need to identify what it is.…

A: Since, According to Aufbau law,  Electron filled in increasing order of their energy. Thus,

Q: How many electrons in a atom can have the designation of  5fx(z2-y2)?

A: Each orbital is having maximum number of  2 electrons , one is clcokwise direction and another…

Q: 1) Fill in the missing information from the table below: #electrons # protons isotope neutrons 14C…

A: The number of missing protons, neutrons, and electrons are given as,

Q: separates the core from the valence electrons in Arsenic

A: Applying concept of core electron formation due high effective nuclear charge.

Q: Is there any change in the radius of the atom when it transforms into an ion?

A: Please find your solution below : Whenever an atom transforms into an ion, the radius of atom…

Q: Isotope Subatomic Electron configuration Orbital diagram particles (full or condensed) (full or…

A: Given

Q: The electron configuration of Li* resembles that of which of the following elements Oa. Berrylium…

A: Given , Ion = Li+

Q: Write the complete electron configuration for the common monatomic ion formed by the element…

A: Question is based on the concept of electronic configuration. we have to write the common electronic…

Q: lonization energy (E;) is the amount of energy required to remove an electron from a neutral gaseous…

A: The explanation is given below-

Q: State the number of electrons that must be lost by atoms of each of the following to achieve a…

A: Since you have posted a  question with sub-parts , we are entitled to answer the first three…

Q: What is the total number of valence electrons in an atom of Mg-26 in the ground state?

A: The isotope given is Mg-26.

Q: What is the neutral atom that has its first two energy levels filled, has 4 electrons in its third…

A: Given: First two energy levels are completely filled. Atom is neutral. And the third energy level…

Q: 公25 20 ts apx3py2pz 25

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

Q: Write the electron configurations for the following atoms. Do not use shorthand notation, and use…

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Q: Which one is true about filling of shells with electrons around the nucleus? O The shell with n = 2…

A: A shell in an atom is defined as a group of atomic orbitals around the atomic nucleus.  Each shell…

Q: 1. How does ionization energy change as you move from left to right across a period? Explain your…

A: Ionisation energy is defined as energy required  to remove an electron from outermost shell of atom.