the alkali metals
the metals.
the alkali metals. They are most reactive with the halogens(group 17)
What is the name of the family of elements in columns 3-12?
The transition elements
the non-metals
the metalloids
because they would not fit in a normal standard book to be printed, so they had to move them down to fit.
What is the name of the family of elements in column 2?
The alkaline earth metals
malleability
because they have properties of both metals and non-metals.
What is the name of the family of elements in column 17?
the halogens
ductility.
Hydrogen and Helium
Salt producing
What is the name of the family of elements in column 18?
the noble gases
by increasing atomic number (number of protons)
balloons (He) and lighting in signs (Ne)
the groups
the Lanthanide and Actinide series
and- you need to be careful because they are radioactive!