Elements that are good conductors of heat and electricity.
What are metals?
100
Atomic radii tend to __________ as you move down a group.
What is increase?
100
How the elements are arranged on the modern periodic table.
What is in increasing atomic number?
100
A negatively charged ion.
What is an anion?
100
The scientist given most of the credit for establishing the first periodic table.
Who is Dmitri Mendeleev?
200
Except for Hydrogen, the elements in group 1.
What are the alkali metals?
200
The block on the periodic table that contains the most elements.
What is the d block?
200
The elements in groups 3 through 12.
What are the transition elements?
200
The energy required to remove an electron from a gaseous atom.
What is ionization energy?
200
The scientist who created the Law of Octaves.
Who is John Newlands?
300
The highly reactive elements with 7 valence electrons.
What are the halogens?
300
Ionization energy tends to __________ as you move from left to right in a period.
What is increase?
300
The elements in group 8.
What are the noble gases?
300
Elements on the left side of the periodic table tend to form these types of ions.
What are cations (positive ions)?
300
The scientist who arranged the elements in order of increasing atomic number, which resulted in a periodic pattern of properties.
Who is Henry Moseley?
400
The 8 metalloids.
What are boron, silicon, germanium, arsenic, antimony, tellurium, polonium and astatine?
400
The rule that states that atoms gain, lose, or share electrons in order to acquire a full set of eight valence electrons.
What is the octet rule?
400
The elements in group 2.
What are the alkaline earth metals?
400
The most electronegative element.
What is fluorine?
400
The American scientist after which the units of electronegativity are named.
Who is Linus Pauling?
500
The name of the series of elements with filled or partially filled 5f orbitals.
What is the actinide series?
500
These types of ions tend to be smaller than the neutral atoms from which they form.
What is positive?
500
The elements in groups 1,2 and 13-18.
What are the representative elements?
500
The relative ability of an element's atoms to attract electrons in a chemical bond.
What is electronegativity?
500
The French scientist who, in the late 1700's, first compiled a list of all elements known at the time into 4 categories: gases, metals, nonmetals, and earths.