Card 1
Term
Atom
Definition
The basic unit of a chemical element.
Card 2
Term
Molecule
Definition
Two or more atoms bonded together.
Card 3
Term
Ion
Definition
An atom or molecule with a net electric charge.
Card 4
Term
Covalent Bond
Definition
Bond formed by sharing electrons between atoms.
Card 5
Term
Ionic Bond
Definition
Bond formed through the transfer of electrons.
Card 6
Term
pH Scale
Definition
Scale used to measure acidity or basicity.
Card 7
Term
Chemical Reaction
Definition
Process where substances are transformed into others.
Card 8
Term
Periodic Table
Definition
Table organizing elements by atomic number.
Card 9
Term
Catalyst
Definition
Substance that increases reaction rate without being consumed.
Card 10
Term
Avogadro's Number
Definition
Number of units in one mole of substance (6.022×10²³).