Не 2372 Ne 2081 н 1312 1681 1402 1314 Be 899 Ar 1521 1086 CI 1251 801 Li 520 Mg 738 1012 1000 Kr 1351 Na 496 Br 1140 786 As 947 Se 941 Zn 906 746 Cd * 868 578 Co Fe 760 Ni Sc Ti Ca Cr 653 717 763 Xe 1170 659 K 590 633 651 419 Rh 720 Pd 804 Ru 710 Te Sb 834 Nb Mo 684 Zr Te 702 Os 840 1008 Sr Sn 709 869 652 640 Rb 549 600 Rn 1037 Ir 880 Pt 870 Au 890 403 Ta 761 1007 558 Re 760 Hf 659 Po 812 Lu 770 Pb 716 Ba Bi 703 Cs 376 TI 589 503 524 1A 2A ЗА 4A 5A 6A 7A 8A Increasing ionization energy A Figure 7.10 The first ionization energies of the elements in kJ/mol. Increasing ionization energy Ionization energy (kJ/mol) 1A 8A н -73 Не 2A 6A 7A ЗА 5A B Ne Li Be -27 -122 >0 -141-328 >0 -60 Na Mg |-53 >0 Al CI Si Ar -43 -134 -72 -200 -349 >0 K -48 Ca -2 As Se -30 -119 -78 -195-325 >0 Ga Ge Br Kr Sr -5 Rb In Sn Sb Te Xe -30 -107-103–190 -295 >0 -7 A Figure 7.12 Electron affinity in kJ/mol for selected s- and p-block elements.
Types of Chemical Bonds
The attractive force which has the ability of holding various constituent elements like atoms, ions, molecules, etc. together in different chemical species is termed as a chemical bond. Chemical compounds are dependent on the strength of chemical bonds between its constituents. Stronger the chemical bond, more will be the stability in the chemical compounds. Hence, it can be said that bonding defines the stability of chemical compounds.
Polarizability In Organic Chemistry
Polarizability refers to the ability of an atom/molecule to distort the electron cloud of neighboring species towards itself and the process of distortion of electron cloud is known as polarization.
Coordinate Covalent Bonds
A coordinate covalent bond is also known as a dative bond, which is a type of covalent bond. It is formed between two atoms, where the two electrons required to form the bond come from the same atom resulting in a semi-polar bond. The study of coordinate covalent bond or dative bond is important to know about the special type of bonding that leads to different properties. Since covalent compounds are non-polar whereas coordinate bonds results always in polar compounds due to charge separation.
Use data from Appendix C, Figure 7.10, and Figure 7.12 to calculate
the lattice energy of RbCl.
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