Elemental Groups Flashcards
Group 1 is called
Alkali Metals
Alkali metals have ___ melting points
low
Alkali metals react ___ with oxygen (oxidize __)
easily (readily)
Alkali metals are extremely ___ because ___
reactive; they want to get rid of one electron and have a full valence electron set
Group 2 is called
Alkaline Earth Metals
Alkaline earth metals are ___ and ___ than Alkali metals
harder; denser
Alkaline earth metals are ___ or ___ colored
gray; silver
Alkaline earth metals are extremely ___ but less than the alkali metals
reactive
Alkali earth metals are found in ____
the earth’s crust (not in pure form, often in rock)
Transition metals have good ___ and ___ conductivity
electrical and thermal
Transition metals have very high ___
melting points
Transition metals tend to have more than one ___
oxidization state
Group 17
Halogens (Salt Formers)
Halogens exist as ______ at room temperature
diatomic molecules
Halogens are not found as ____
pure substances (on the Earth)
Halogens react with ___ to form salts
metals
Halogen salts are commonly referred to as ___
halides
Group 18
Noble Gases
Noble Gases have ___ boiling points
low
Noble Gases are commonly used in ___ products
lighting products (ex: NEON signs)
The Lanthanide and Actinide series are ___ and ___ colored
shiny; silvery-white
The Lanthanide and Actinide series have ___ boiling and melting points.
high
The Lanthanide and Actinide series react with water to release ____
hydrogen gas
