Teoría Flashcards
Grams and kilograms
Normal units of mass.
AMU
Atomic mass unit, mass of a chemical element expressed in units.
Mole
Represents the number of atoms present.
Formula of a compound
Represents the relative numbers of the various types of atoms present.
Empirical formula
Minimal expression of the formula of the compound.
Molecular formula
The actual formula, the one that gives you the composition
Chemical reaction
Process in wich atoms rearrange to form new substance(S)
What happens in a chemical reaction?
Atoms rearrange
Chemical equation
Description of a reaction using element symbols and chemical formulas
Subscript
Describes the number or atoms of an element
Reactant
Starting sub in a chemical reaction
Products
Sub by the chemical reaction
Law of conservation of mass
not creates or destroyed (mass) onl transformed