Chemical bonding

Chuleeporn Thanomsilp
Flashcards by Chuleeporn Thanomsilp, updated more than 1 year ago
Chuleeporn Thanomsilp
Created by Chuleeporn Thanomsilp almost 7 years ago
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University first year GeneralChemistry1 (Chemical Bonding) Flashcards on Chemical bonding, created by Chuleeporn Thanomsilp on 05/24/2014.

Resource summary

Question Answer
Chemical Bonding A strong attractive force that exists between certain atoms in a substance.
Born-Haber Cycle Energies involve in forming ionic compounds.
Lattice energy The energy needed to separate an ionic solid into isolated ions in the gas phase.
Cation Positive charged ion occurs when atom loses electron (s).
Anion Negative charged ion occurs when atom gains electron (s).
Isoelectronic ion Ions that have equal number of electrons hence they have identical electron configurations.
What is the chemical bond between metal + non-metal combination? Ionic bond
Combination of non-metal + non-metal atoms creates____________compound. covalent
Describe ionic bond An ionic bond is a chemical bond formed by the electrostatic attraction between positive and negative ions.
Write Lewis symbols for the following elements: Al, I, Se, Ar
Give formula and name of ionic compound formed by combination of Mg and Br.
What is the formula of ammonium sulphate?
Describe covalent bond A chemical bond formed by the sharing of a pair of electrons between atoms.
Three types of covalent bond using different number of shared electrons. single, double and triple bonds. single bond: 2 shared electrons. double bond: 4 shared electrons. triple bond: 6 shared electrons.
What is Bond length? The distance between nuclei at the minimum potential energy i.e. the most stable.
What is Bond energy? The amount of energy required for breaking the bond i.e. to separate the two atoms linked by covalent bond. This is also called “bond dissociation energy”.
What is coordinate covalent bond? A coordinate covalent bond is a bond formed when both electrons of the bond are donated by one atom.
What is Electronegativity? An ability of an atom to draw bonding electrons to itself.
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