Chemistry Lecture Review

Flashcards for reviewing key chemistry concepts from lecture notes.

Single Replacement is when a(n) __

Element replaces a simpler element in a compound.

In a double replacement reaction, __ act as reactants.

Ionic compounds react to form new ionic compounds.

The general formula for a double replacement reaction is __

AB + CD -> CB + AD

Energy can be released as __

Light, heat, sound, electricity

__ are the starting substances in a chemical reaction.

Substances we start with or ingredients

__ are the substances that are produced in a chemical reaction.

Ending substances or what is made

The abbreviation (aq) stands for __.

Aqueous (dissolved in water)

In electron dot diagrams, the nucleus is represented by the __.

Atom

The Happy 8 rule states that ___.

An atom wants 8 OR a full energy level

Covalent bonding involves the __ of electrons.

Sharing of electrons

Examples of diatomic molecules are __.

H₂, O₂, N₂, F₂, Cl₂, Br₂, I₂