Periodic table
A vertical column with similar properties
on the periodic table.
Group
The side of the periodic table that most metals are on?
Left
Iodine is a solid nonmetal. A property of iodine is_?
conductivity
dull appearance
malleability
ductility
dull appearance
Horizontal rows with increasing numbers of protons and electrons.
Period
The percent of metals on the periodic table?
75%
A group of elements between metals and nonmetals.
Metalloids
Not a property of metals:
Brittleness
Conductivity
Ductility
Luster
Brittleness
Most abundant metalloid?
Silicon
The ability to be hammered or rolled into sheets
Malleability
The group of metals that can act as semiconductors?
Metalloids
The arrangement of elements on the periodic table is by:
atomic number
A metal that is a liquid at room temperature?
Mercury
A substance that conducts electricity only at high temperatures?
semiconductor
The way a mineral reflects or absorbs light at its surface
Luster
The most common element in the universe.
Hydrogen
The scientist who created the first periodic table?
Mendeleev
An element in group 2 on the periodic table?
Alkaline Earth Metals
An element in group 17?
Halogen
An element in groups 3-12
Transition element
The scientist who changed the periodic table and based it on atomic number
Moseley
The number of groups and periods?
Groups- 18
Periods- 7
The group of metals with the most metallic properties?
Alkali metals
The most stable or inactive groups?
Noble gases
What is ductility?
The ability to be pulled into thin wires
A property of halogens.
They combine with alkali metals to form salts