For the following electron configurations choose 3 possible elements (or ions) they may represent:  1s2 2s22p6 3s23p6 4s2 3d10 4p5        A. Br-; Se2-; Kr   B. Se; As-; Ge2-   C. I+; Te; Sb-   D. Br; Se-; As2-

Q: The halogens have .......(number of) electrons in their valence shell. Select one: a. 2 Ob. 8 O c. 5…

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Q: A. An element with the valence electron configuration 2s¹ would form a monatomic ion with a charge…

A: valence electron is  electron in the outer shell associated with an atom

Q: A. If an element with the valence configuration 4s23d7 loses 3 electron(s), these electron(s) would…

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Q: Fluorine gas and water vapor react to form hydrogen fluoride gas and oxygen. What volume of hydrogen…

A: Fluorine gas (F2) and water vapor (H2O) reacts to form the hydrogen fluoride (HF) gas and Oxygen…

Q: Which of these species make an isoelectronic pair: CI, O²-, F, Ca²+, Fe³+? Ca²+ and Fe³+ Cl and Ca²+…

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Q: electronic configuration

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Q: Write the condensed orbital filling diagram of the following: A. nitrogen (N) B. copper (Cu)

A: Given Element A. Nitrogen (N)B. Copper (Cu)Condensed Orbital Filling Diagram  = To be determined

Q: A. A main group element with the valence electron configuration 4s¹ is in periodic group It forms a…

A: Answer: Every element during a chemical reaction tries to have an electronic configuration like a…

Q: 15. Order the following elements from smallest to largest. Elements

A: Detail solution given below.

Q: In honor of the late Alex Trebek, your Chemistry class holds a Jeopardy tournament. The Final…

A: Since you have posted more than one question, we are doing first for you. To do the rest repost the…

Q: #10 which halogen A.) F hos the most metallic Character C.) Br

A: In periodic table, halogens are present in group 7A. Group 7A elements are one electron away to…

Q: 2. 1st ionisation energy (kJ/mol) First lonisation Energy of the Group 1 elements 600 500 400 300 4…

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Q: An atom with which atomic diagram has chemical properties most similar to calcium? a) b) c)

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Q: 14) 15) [Rn] 7s 5fl%6d* Rn Callin Determine if the following electron configurations are correct: 1s…

A: For the correct electronic configuration according to their increasing order of energy we use the…

Q: est atomic radius? Sasugt olingie po 0yc e atements is incorrect? ence electrons will form an ion…

A: Tl has highest atomic radii because it belongs to period 6

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: Following the periodic trend presented in class, place the following elements in order from smallest…

A: Find the solution below

Q: Draw the orbital diagram for the following atoms and ions: 1. Patom 2. Be atom 3. Katom ww.nol 4. Kt…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: There are a variety of cations that migrate across cell membranes as part of the nerve signal…

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Q: Which of the following species has the lowest ionic radius? а. Ве Be 2+

A: Left to right in the periodic table, atomic size is decreases. Up to down in the periodic table,…

Q: 10. Which one of the following species is not isoelectronic E. 0²- A.Mg2+ B. SI²* with neon? C. Na*…

A: Species which have the same number of electrons are called isoelectronic species.

Q: Choose the larger atom or ion in each pair.  a. S P b. Na Na+  c. S^2- Se^2- d. Cu+ Cu^2+ e. Na…

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Q: 15. What are the properties of nonmetals? Where are nonmetals found on the periodic table?

A: Properties of Non-metals = Non-metals are the elements that gain electrons from the negatively…

Q: | Course Home Tearn Round - Questions Con X 178cb250747ed75c0578b261b7#10001 Review Constants |…

A: The explanation is given below-

Q: Which of the following species has the 'largest' radius:  Ti2+, V3+, Ca+2, Br-, Cl-

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

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Q: 8. Which correctly matches the proton, neutron and electron to its location, charge and relative…

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Q: Consider the following periodic table: Li Na K Rb Cs Identify the atom that has the largest atomic…

A: Given elements, a. LI b. K c. Na d. Rb e. Cs

Q: Which of the following elements would you expect to have the lowest first ionization energy? Select…

A: Given: Some elements are given . To find: Element with lowest first ionization energy.  Solution:…

Q: This ene., Jiagram shows the allowed energy levels of an electron in a certain atom. (Note: the SI…

A: The ground state of an electron is the minimum energy state that it can occupy.

Q: A| 16. Order the following elements from smallest to largest ior Elements

A: Ionisation energy:  The amount of energy required to remove one electron from outermost shell of…

Q: Which of the following correctly lists the elements in order of increasing ionization energy?…

A: All above given element are Ist group element In the periodic table, we move from top to bottom…

Q: e considering the new element Jessium, J, atomic number 119 a che following questions about periodic…

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Q: 3. Arrange the following groups of atoms/1ons in order of increasing size.

A: Atomic size is the distance between the centre of the nucleus of an atom and its outermost shell…

Q: 24. Two elements that have the ground-state valence shell configuration of ns?npª are | Select ) (…

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Q: A sample of an unknown compound is vaporized at 200. °C. The gas produced has a volume of 1760. mL…

A: Given data : Temperature(T) = 200°C = 473 K Volume of gas(V) = 1760 mL = 1.76 L Pressure(P) = 1 atm…

Q: Order the following elements in terms of increasing atomic radii size (smallest to largest): Co Ru…

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Q: ionization equation

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Q: -The element Na (R=1.0 Angestom, charge +1) can substitute easily for Select one: O a. K (radius…

A: a , option is correct.

Q: Atom P As Pb Cr A1³+ Ru Atomic number (Z) 15 Electronic configuration [Ne]3s 3p³

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Q: Division of electron shells within the Main Energy Level. eg s, p, d, and f * A. Hund's Rule…

A: The two answers are as follows:

Q: Which atom as the largest atomic radius? O a. Cs O b. Li О с. F O d. Zn О е. Mg

A: Atomic radius is the distance in an atom from nucleus to its outermost orbital. We have to find out…

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

A: The group number of an element can be determined by the valence electron configuration. The group…

Q: Help with question 2

A: Electron configuration: The distribution of electrons of an atom or molecule in atomic or molecular…

Q: Atomic Atomic Atomic number Protons Neutrons Electrons symbol mass 102 70 89 225 Мо 53 81 206 100…

A: Atomic symbol Atomic number Protons Neutrons  Electrons Atomic mass Yb 70 70 102 70 172 Ac…