Valence Electrons
Name the family with 7 valence electrons.
What are the halogens?
An Element that reacts when in contact with oxygen.
What is Hydrogen?
Only element in 5a that is not solid at room temperature.
What is Nitrogen?
Family that is soft to cut and highly reactive.
What are Alkali Metals?
A substance that donates hydrogen ions.
What is an acid?
Name the family with 2 valence electrons.
What are Alkaline Earth Metals?
The lightest Alkali Metal
What is Lithium?
Most abundant element in Earth's crust.
What is Oxygen?
Family that is shiny solids and are normally found with oxygen.
What are the Alkaline Earth Metals?
A substance that accepts hydrogen ions.
What is a base?
Name the family with 5 valence electrons.
What is the Nitrogen Group?
The only metalloid in 3a and has a diagonal relationship with Silicon.
What is Boron?
Most active of all elements.
What is Fluorine?
The name for the water compound.
What is H2O?
The result of combining two or more substances, such that each maintains its chemical identity.
What is a mixture?
Name the family with 4 valence electrons
What is the Carbon Group?
Most abundant metal on Earth.
What is Aluminum?
The lightest Noble Gas.
What is Helium?
A compound that is produced when acids and bases are combined together in equal proportions by neutralization.
What is a salt compound?
A substance formed when two or more chemical elements are chemically bonded together.
What is a compound?
Name the family with 6 valence electrons.
What is the Oxygen Group?
Most important element to life.
What is Carbon?
Most abundant Noble Gas.
What is Argon?
Name at least 2 differences between transition metals and inner-transition metals.(Not a what is answer)
Transition metals are found in the d block of the periodic table and inner transition metals are found in the f block. Transition metals are also more abundant on earth than inner transition metals.
A scientific theory of the nature of matter, which states that matter is composed of discrete units called atoms.
What is the atomic theory?