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gcarr-periodicity

gcarr-Review of periods, groups, and trends.

QuestionAnswer
The scientist that produced the first widely accepted periodic table. Dmitri Mendeleev
Chemical and physical properties repeat themselves in a pattern when elements are arranged in order of increasing atomic number. Periodic law
Metals located in the d-block Transition metals
Elements that are generally shiny, solid at room temperature, and conduct electricity. Metals
Shininess Luster
Dents instead of shatters Malleable
Can be pulled into a wire Ductile
Alkali metals Group I
Alkaline earth metals Group II
Inner transition metals/ Rare earths Metals located in the f-block
Nonmetals Elements that are gases or dull, brittle solids and do not conduct heat or electricity.
Halogens Group VII
Noble Gases Group VIII
Metalloids Elements with physical characteristics of both metals and nonmetals.
Valence electrons The electrons in the outside shell of the atom
Atomic radius Half of the distance between two identical atoms bonded together.
Ionization energy The amount of energy required to remove an electron from a neutral atom.
Ion An atom that has gained or lost one or more electrons.
Octet rule Atoms gain, lose, or share electrons in order to acquire eight valence electrons.
Electronegativity The ability of an atom to attract an electron in a bond.
Alloy A mixture of two or more metals.
Created by: gcarr
 

 



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