Question 6What neutral atom will be isoelectronic to 0-l?FONNe

Isoelectronic means two or more ions / atoms have same number of electrons. 1- O-1 : ( atmic…

Answered: Question 6 What neutral atom will be…

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter6: The Periodic Table And Periodic Law

Section: Chapter Questions

Problem 4STP

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Similar questions

2-89 Assume that a new element has been discovered with atomic number 117. Its chemical properties should be similar to those of astatine (At). Predict whether the new element’s ionization energy will be greater than, the same as, or smaller than that of: (a)At (b)Ra
In each of the following sets of elements, which element would he expected to have the highest ionization energy? msp;a.Cs,K,Lic.l,Br,Clb.Ba,Sr,Cad.Mg,Si,S
In the hydtogen atom, what is the physical significance of the for which n = and E = 0?
2-47 Which element in each pair is more metallic? (a) Silicon or aluminum (b) Arsenic or phosphorus (c) Gallium or germanium (d) Gallium or aluminum
Two elements are in the same group, one following the other. One is a metalloid; the other is a metal. Both form oxides of the formula RO2. The first is acidic; the next is amphoteric. Identify the two elements.
Why is the ion not found in nature?
Does the information on alkali metals in Table 2-8 of the text confirm the general periodic trends in ionization energy and atomic radius? Explain.
Which of the following is true about an individual atom? Explain. a. An individual atom should be considered to be a solid. b. An individual atom should be considered to be a liquid. c. An individual atom should be considered to be a gas. d. The state of the atom depends on which element it is. e. An individual atom cannot be considered to be a solid, liquid, or gas. Justify your choice, and for choices you did not pick, explain what is wrong with them.
Question 9 1s252p Is the electron configuration for which element? (A) C B) Ne (c) Ar D) CI
Q2. This question is about the periodicity of the Period 3 elements. (a) State and explain the general trend in first ionisation energy across Period 3. Give one example of an element which deviates from the general trend in first (b) ionisation energy across Period 3. Explain why this deviation occurs. Page 3 of 12 (c) The table shows successive ionisation energies of an element Y in Period 3. lonisation number 1 2 3 4 5 6 7 8 lonisation energy kJ mol- 1000 2260 3390 4540 6990 8490 27 100 31 700 Identify element Y Explain your answer using data from the table. (d) Identify the Period 3 element that has the highest melting point. Explain your answer by reference to structure and bonding.
Select the ions or atoms from the following sets that are isoelectronic with each other (a) OS O K* (b) O Co3+ O Fe2+ O Mn2+ (c) O CI - OF Ar (d) A13+ O p3- O Na+
23 - Which of the following is false regarding the periodic table? a) Electronegativity inereases from left to right over the period. O B) Atomic diameter inereases as you go down. O NS) Atomic diameter decreases from left to right. O D) The metallic character increases as you go up and down the group. O TO) Ionization energy decreases from top to bottom.

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Question 6 What neutral atom will be isoelectronic to 0-l? F ON Ne