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Periodic Trends

Studying the patterns found on the Periodic Table

QuestionAnswer
Larger atomic radius: Aluminum or Phosphorous? Aluminum
Which has a full valence shell: Nickel or Neon? Neon
Who was the first person to organize the elements? Dimitri Mendeleev
Element in group 1 with the largest mass. Francium
These ions are paws-itive! Cations
Horizontal rows on the Periodic Table are called... Periods
Which family has one valence electron? Alkali Metals
Which group are dull, brittle, and bad conductors of heat and electricity: Metals, Nonmetals or Semimetals? Nonmetals
Who is responsible for the Law of Octaves? John Newlands
These ions are larger than the neutral atom. Anions
Number of valence electrons for all transition metals (except Cd, Ag, and Zn) Two
Noble gas with less than 8 valence electrons. Helium
Vertical columns on the Periodic Table are called... Groups/Families
Family name for "d" block elements. Transition Metals
Most reactive metal family. Alkali Metals
Diatomic elements HOBrFINCl
First to organize elements by atomic number. Henry Moseley
Alkali metals have the (lowest/highest) 1st ionization energy. Lowest
Element with the highest electronegativity. Fluorine
When elements are arranged by atomic number, patterns will emerge. Periodic Law
Second column on the Periodic Table. Alkaline Earth Metals
Properties of elements repeat when elements are put into groups of eight. Law of Octaves
Located on either side of the "staircase": Metals, Nonmetals or Semimetals? Semimetals
Family with 7 valence electrons. Halogens
Completely nonreactive family. Noble Gases
Which element forms a +1 oxidation number: potassium or magnesium? Potassium
Which element does not have an oxidation number: chlorine or helium? Helium
Most reactive nonmetal family. Halogens
Electrons that exist in the outermost energy level of an atom. Valence electrons
Which element can form a +4 or -4 oxidation number: oxygen or silicon? Silicon
"Two Atoms" Diatomic
Family with 2 valence electrons. (two answers!) Alkaline Earth Metals and Transition Metals
Which group are shiny, bendable, and good conductors of heat and electricity: Metals, Nonmetals or Semimetals? Metals
Which element has the largest atomic radius: fluorine or francium? Francium
Which element is least reactive: fluorine or iodine? Iodine
Which element is more reactive: rubidium or cesium? Cesium
Alkali metals have the (lowest/highest) second ionization energy. Highest
Which element has the lowest electronegativity: francium or iodine? Francium
Which element has the smallest atomic radius: oxygen or selenium? Oxygen
Which element is least reactive: oxygen or phosphorous? Phosphorous
Which element has the largest ionic radius: bromine or germanium? Germanium
Which element has the lowest 1st ionization energy: fluorine or francium? Francium
Which element has the smallest ionic radius: beryllium or calcium? Beryllium
Which element is more reactive: sodium or silicon? Sodium
Which family has the highest 1st ionization energy? Noble Gases
Which elements like to lose electrons? Metals
Which element can act as both a cation and an anion: boron or silicon? Silicon
Which elements have high electronegativity values? Nonmetals
Which trend increases across a period: atomic radius or ionization energy? Ionization energy
What is the element in energy level 3 with a -3 oxidation number? Phosphorous
Which trend increases as you go down a group: reactivity or electronegativity? Reactivity
Which element is the smallest halogen? Fluorine
Nonmetal reactivity increases... Across a period
The majority of the elements on the periodic table are... Metals
Created by: hansenc1
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