Chem - Stoichiometry
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6 Terms
Valency
The valency of an element is the number of electrons its atoms lose, gain, or share, to form a compound.
How to write formula of ionic compounds
1. Write symbols of elements.
2. Write the valencies of each element
3. Interchange the valencies
Word equations
Show the reactant and products of a chemical reaction using their full chemical names. They reach with each other to form new substances. Conversion of reactants to products.
The Diatomic Molecules
Hydrogen, Nitrogen, Fluorine, Oxygen, Iodine, Chlorine, Bromine (Have no fear of ice cold beer)
Ionic Bond
The complete transfer of an electron from a metal atom to a non-metal atom will form an ionic bond between them. Example: Formation of Sodium Chloride
Anions and Cations
The ions with a negative charge are called anions and the ones with a positive charge are called cations.
they get attracted to one another and thereby forming an ionic bond between them.
Flashcards (52)