Question

The element lithium is very important in electrical engineering since it is a primary component of the ubiquitous lithium ion battery. At the time of writing (2018), almost one third of all the lithium that is produced goes into batteries.

Given the list of options, select the correct answer to this question. Imagine that you had a sample of lithium metal with a mass of 0.694 grams. Based on what you know about metallic bonding and orbital band theory, how many 2s molecular orbitals contribute to the 2s band in this sample of lithium Avogadro’s number is 6.022 × 10²³.

The options are:

6.022 × 1023

6.022 × 1024

6.022 × 1025

6.022 × 1022

Answer 1

formed by closely dying Molecular A band is Orbitals No of moles of Li metal = Mass = 0.694g Molar mas 6.941 g/mol = 0.09998559 mol -00 No of atoms of Li= No of moles x Avogadros No. = 0.09998559 mal x 6-022x1023 molo = 60 29 x toll - (Molecular orbitals - 1 2 M.o. from one aatom contributes to 21-band : 6.0224 10 22 2s Molecular Orbitals contribute