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Voc on the periodic table

Dmitri Mendeleev Russian chemist who worked to come up with the periodic table
Lothar Myer German chemist who came up with a periodic table.
Periodic law The physical and chemical properties of the elements are periodic functions of their atomic numbers.
Periodic table is the arrangement of the elements in order of their atomic numbers so that elements with similar properties fall in the same column or group
Noble Gas Group 18 on the periodic table. Elements in this group are stable because their outer electron shell is full.
Lanthanides are the14 elements with atomic numbers from 58 to 71. cerium to lutetium. Ce to Lu.
Actinides are the 14 elements with atomic numbers from 90 to 103. thorium to lawrencium. Th to Lr.
Periodicity The variation of properties of elements based on their atomic number and position on the periodic table.
Period horizontal row of elements in the periodic table.
Family vertical column of elements in the periodic table
Series a listing of metals according to their decreasing activity
Group horizontal row of elements in the periodic table.
s-block elements are chemically reactive metals. Contains the alkali metals and alkaline-earth metals. Found in column 1 and 2.
p-block elements consist of all elements in group 13 to 18 except helium.Considered with the s block to be the main-group elements.
d-block metals first starts when n equals 3. it is the groups from 3 to 12 which is the transition metals.
f-block metals on the periodic table it is wedge between group 3 and 4. Involve the filling of the 4f sublevel
Alkali metals The elements of group 1 of the periodic table. Have silvery appearance and can be cut by a knife.
Alkaline Earth metals The elements of group 2 of the periodic table. Harder denser and stronger than Alkali metals.
metal an element that is a good conductor of heat and electricity.
transition metals d-block elements, are metals typical metallic properties. Are good conductors and have high luster.
main-group or representative elements an element in the s or p block
halogens elements of group 17.Most reactive nonmetals.
atomic radius one half the distance between nuclei of identical atoms that are bonded together.
bonding radius the distance between two or more elements that are chemically bonded
ionization energy the energy required to remove one electron from a neutral atom of an element
electron affinity The energy that occurs when an electron is added to a neutral atom of an element.
valance electron an electron that is able to be gained,lost, or shared in the formation if a chemical compound.
cation a positive ion
anion a negative ion
ion an atom or group of atoms that have a negative chrage.
atomic mass unit a unit of mass that is exzactly 1/12 the mass of a carbon 12 atom, or 1.660540x10-27
nonmetal an element that is a poor conductor of electricity and heat.
isotope atoms of the same element that have different masses
shielding effect electrons in the filled sets of s, p orbitals between the nucleus and outer shell electrons somewhat from the effect of protons in the nucleus
Created by: Justen Rhyne



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