Elements with similar properties are organized together in vertical columns referred to as this.
What are groups?
This group on the periodic table is most notable for being largely unreactive.
What are the Noble Gases?
This is the element with the largest radius.
What is Francium?
Lower ionization energy
Si or Sn?
What is Sn?
The energy required to remove a highest energy electron.
What is ionization energy?
The way Mendeleev organized his periodic table
What is "by increasing atomic mass"?
The elements in this group on the periodic table have two valence electrons (give group name).
What are the Alkaline Earth Metals?
This element has the highest electronegativity.
What is fluorine?
Larger atomic radius?
K or B
What is K?
Core electrons protect the valence electrons from the full attractive forces of the protons.
This man discovered the periodic table is better organized by organizing elements in order of atomic number.
Who is Moseley?
Elements that are brittle, nonconductive, and dull.
What are nonmetals?
This trend increases down the group and decreases across the period.
What is atomic radius?
Lower electronegativity?
Mg or P
What is Mg?
Electronegativity.
What is the ability of an atom in a bond to attract electrons to itself?
What the empty spaces in Mendeleev's table represented.
What are undiscovered elements?
Noble gases do not have values for this and are therefore excluded when examining the trend.
What is electronegativity?
Larger?
Rb+1 or As-3
What is As-3?
The s and p electrons in the highest occupied energy level of an atom.
What are valence electrons?
This feature separates the metals and nonmetals on the periodic table.
What is the staircase line?
An element with a configuration ending in ns2p5 is a part of which group on the periodic table?
What are the halogens?
This type of series features ions that have the same number of electrons, but different numbers of protons.
What is an isoelectronic series?
The correct order for increasing ionization energy
S, Cs, F, Fe, K
What is...Cs<K<Fe<S<F ?
Effective nuclear charge.
The net positive charge from the nucleus that can be felt by the valence electrons.