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Ty Phy Sci Chpt 13

Chemical Bonding

QuestionAnswer
the joining of atoms to form new substances chemical bonding
a force of attraction that holds two atoms together chemical bond
the electrons on the outermost energy level of an atom valence electrons
How many valence electrons does a silicon atom have? 4
Predict how atoms with 5 valence electrons will achieve a full set of valence electrons? They will share or gain 3 electrons
the force of attraction between oppositely charged ions ionic bond
charged particles that form during chemical changes when one or more valence electrons transfer from one atom to another ions
a repeating 3-dimensional pattern of ions crystal lattice
the force of attraction between the nuclei of atoms and the electrons shared by the atoms covalent bond
a neutral group of atoms held together by covalent bonds molecule
the force of attraction between a positively charged metal ion and the electrons in a metal metallic bond
How does an atom become a negative ion? by gaining one or more electrons
What are the properties of ionic properties? high melting point; high boiling point; tend to be hard, brittle solids at room temperature
What happens to electrons in covalent bonding? they are shared between atoms
What type of element is most likely to form covalent bonds? nonmetals
Created by: beth2244
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