Module 4 Vocabulary Flashcards
Ion
an atom or group of atoms that has either a positive or negative charge
Covalent Bond
a chemical bond in which 2 atoms share 1 or more pairs of valence electrons
Adhesion
the force of attraction between molecules of different substances so that they tend to stick together
Cohesion
the force of attraction between molecules of the same substance to that they tend to stay together
Reactant
substances that undergo a chemical change
Product
new substances formed as a result of the chemical change
Chemical Bond
a force of attraction between atoms or groups of atoms
Chemical Formula
a notation indicating the elements in a compound and the ratios of the atoms of each element
Polar Molecule
a molecule that has slight positive and negative charges due to an imbalance in the way the electrons are shared
Ionic Bond
a chemical bond formed between oppositely charged ions
Anion
a negative ion
Cation
a positive ion