Flashcards in Chemical Bonding Deck (27):
attraction between atoms
the theory that describes elementary aspects of chemical bonding
net transfer between atoms (connect electrostatically)
shared electrons bond
unequal sharing and large difference between electronegativity
symmetric arrangement of atoms and zero dipole movement
all atoms are configured in eights
Exceptions to the Octet rule
Duet rule (He), incomplete octets (BF2), Odd-eletron species (NO), Expanded octets (PCl5)
What are odd electron species/ radicals?
involve atoms with unpaired valence electrons
What are expanded octets?
more than eight valence electrons
What do you use to represent the valence electrons of an atom?
Lewis Dot Symbols
What do you use to represent the valence electrons of a formula?
What are ionic compounds?
compounds made up of positive and negative ions held by an ionic bond
How do you write ionic formulas?
Criss cross method
What are molecular compounds?
Compounds made up of discrete molecules held by covalent bonds
Polarity of a molecular compound is affected by what?
Electronegativity difference and molecular geometry
Between molecular and empirical formulas, which is supposed to be in the smallest whole number ratio?
Can two compounds have the same empirical formula?
Ionic compounds are compounds between ____ and ____
metals and nonmetals
compounds between two nonmetals are called?
Indicators of an ionic compound
1) unmodified metal + nonmetal-ide
2) metal-our or -ic + nonmetal-ide
3) unmodified metal (roman numerals) + nonmetal-ide
Indicators of molecular compound
What are ternary compounds?
composed of more than two elements
What are oxoanions?
Composed of nonmetal and oxygen
Indicators of Binary acids
prefix of hyrdro + -ic followed by acid