Bonding types Concept:

Concept: Bonding Types Ionic bond Covalent bond Ion Oxidation number Chemical bonding Polyatomic ion molecule

Concept: Bonding Types LEQ: How can the periodic table be used to predict ions, oxidation numbers and identify isotopes? Oxidation numbers Tells how many electrons an atom has gained, lost, or shared

A charged particle that is formed when an atom is gained or lost Concept: Bonding Types LEQ: How can the periodic table be used to predict ions, oxidation numbers and identify isotopes? Ions A charged particle that is formed when an atom is gained or lost Cation Atom that gives up an electron, gets a positive charge Groups IA, IIA, IIIA (13) Ex. K+, Ca2+, Al3+

Ion that has gained an electron, negative charge Concept: Bonding Types LEQ: How can the periodic table be used to predict ions, oxidation numbers and identify isotopes? Anion Ion that has gained an electron, negative charge Group VA, VIA, VIIA (Pb does not like to share) Group number – 8 Ex. P3-, O2-, Cl-

In ionic bonding, electrons are lost or gained Concept: Bonding Types LEQ: What are the characteristics of ionic bonding? In ionic bonding, electrons are lost or gained Typically occurs between metals and nonmetals If an element loses electrons, one or more elements must gain an equal number of electrons to maintain a neutral charge of the compound.

In covalent bonding, electrons are shared between atoms. Concept: Bonding Types LEQ: What are the characteristics of covalent bonding? In covalent bonding, electrons are shared between atoms. Formed between nonmetals and nonmetals Many covalent compounds are liquids or gases at room temperature

A neutral particle that is formed as a result is a molecule. Concept: Bonding Types LEQ: What are the characteristics of covalent bonding? A neutral particle that is formed as a result is a molecule. Electrons are not always equally shared These electrons will spend more time at the atom with the larger nucleus

Two types of molecules Polar molecule Nonpolar molecule Concept: Bonding Types LEQ: What are the characteristics of covalent bonding? Two types of molecules Polar molecule A molecule with a slightly positive and slightly negative end Ex. water Nonpolar molecule Electrons are shared equally Between two identical atoms or symmetric molecules

Positively or negatively charged, covalently bonded group of atoms Concept: Bonding Types LEQ: What are the unique characteristics of a polyatomic ion? Positively or negatively charged, covalently bonded group of atoms