(b) List some properties of Group 1 elements which indicate they are all metals.(c) What valence do all Group 1 elements exhibit in their compounds?(a) Write the names and symbols of the elements of Group 2.

Here we have to write some properties of group 1 metal, valency of group 1 elements and name and…

Answered: (b) List some properties of Group 1…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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The elements sodium, aluminum, and chlorine are in the same period. (a) Which has the greatest electronegativity? (b) Which of the atoms is smallest? (c) Which is the largest possible oxidation state for each of these elements? (d) Will the oxide of each element in the highest oxidation state (write its formula) be acidic, basic, or amphoteric?
A certain element, M, is a main-group metal that reacts with chlorine to give a compound with the chemical formula MCl2 and with oxygen to give the compound MO.(a) To which group in the periodic table does element M belong?(b) The chloride contains 44.7% chlorine by mass. Name the element M
The oxygen and nitrogen families have some obvious sim-ilarities and differences.(a) State two general physical similarities between Group5A(15) and 6A(16) elements. (b) State two general chemical similarities between Group5A(15) and 6A(16) elements.(c) State two chemical similarities between P and S.(d) State two physical similarities between N and O.(e) State two chemical differences between N and O.
Each of the chemically active Period 2 elements forms sta-ble compounds that have bonds to fluorine.(a) What are the names and formulas of these compounds?(b) Does ΔEN increase or decrease left to right across the period?(c) Does percent ionic character increase or decrease left to right?(d) Draw Lewis structures for these compounds.
Write the chemical formulas for the following compounds:(a) Silver cyanide(b) Calcium hypochlorite(c) Potassium chromate(d) Gallium oxide(e) Potassium superoxide(f) Barium hydrogen carbonate
The oxygen and nitrogen families have some obvious similarities and differences.(a) State two general physical similarities between Group 5A(15) and 6A(16) elements.(b) State two general chemical similarities between Group 5A(15) and 6A(16) elements.(c) State two chemical similarities between P and S.(d) State two physical similarities between N and O.(e) State two chemical differences between N and O.
The first four ionization energies of an element X are 578, 1817, 2745, and 11,577 kJ·mol–1. What is the most likely formula for the most stable ion of X
Given the following elements: Si, Sr, Cu, Ti, S (a) which of those elements would have the larget atomic radius? (b) which of those elements would have the highest ionization energy? (c) which of those elements would have the lowest electronegativity?
5. Which of the following alkali metal halides has the larger lattice energy, and which has the smaller lattice energy? Explain. (a) (b)
An ionic compound of formula XY2 (X = cation with two positive charges, Y = anion with one negative charge) has the following mass composition: Mg 10.9%, Cl 31.8%, O57.3%. (a) What is the chemical formula and name of the compound? (b) Give the most probable Lewis structure for the ions contained in the compound.
(a) Draw the Lewis structure for hydrogen peroxide, H2O2.(b) What is the weakest bond in hydrogen peroxide? (c) Hydrogenperoxide is sold commercially as an aqueous solution inbrown bottles to protect it from light. Calculate the longestwavelength of light that has sufficient energy to break theweakest bond in hydrogen peroxide.
Use principles of atomic structure to answer each of the following: (1] (a) The radius of the Ca atom is 197 pm; the radius of the Ca2* ion is 99 pm. Account for the difference. (b) The lattice energy of CaO(s) is –3460 kJ/mol; the lattice energy of K20 is –2240 kJ/mol. Account for the difference. (c) Given these ionization values, explain the difference between Ca and K with regard to their first and second ionization energies. Element First lonization Energy (kJ/mol) Second lonization Energy (kJ/mol) K 419 3050 Ca 590 1140 (d) The first ionization energy of Mg is 738 kJ/mol and that of Al is 578 kJ/mol. Account for this difference.

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(b) List some properties of Group 1 elements which indicate they are all metals. (c) What valence do all Group 1 elements exhibit in their compounds? (a) Write the names and symbols of the elements of Group 2.