How can we help?

You can also find more resources in our Help Center.

Chem Vocab 2

STUDY
PLAY
Anion
Any atom or group if atoms with a negative charge
Binary compound
A compound composed of two elements
Cation
Any atom or group of atoms with a positive charge
Chemical formula
A method to show the number and type of atoms present in the smallest representative unit of a substance
Formula unit
The lowest whole number ratio of ions in an ionic compound
Group
The vertical column of elements in the periodic table
Ion
Atom or group of atoms that has a positive or negative charge
Ionic compound
A compound composed of positive and negative ions
Metal
Class of elements that is a large majority of known elements: lustrous, malleable, ductile, conducts heat and electricity
Metalloid
Class of elements having properties of both metals and nonmetals
Molecule
A neutral chemically bonded group of atoms that act as a unit
Molecular compound
A compound that is composed of atoms
Nonmetal
Class of elements that are grouped on the right side of the periodic table: not lustrous, poor conductors of electricity and heat
Polyatomic ion
A tightly bound group of atoms that behaves as a unit and carries a charge
Transition metal
An element found in one of the B groups in the periodic table
Type 1 Binary Ionic Compound
The metal present forms only one type of cationi
Type 2 Binary Ionic Compound
The metal present can form two or more cation that have different charges
Type 3 Binary Ionic Compound
Contains only non metals
Acid
A substance that produce ion in aqueous solution
Oxyanions
An anion containing one or more oxygen atoms bonded to another elements