History
Who proposed the Law of Octaves in 1864?
John Newlands
What is the name of Group 15 (5A) on the periodic table?
This is a periodic repetition of chemical and physical properties of the elements when they are arranged by increasing atomic number.
The Periodic Law
As you go down a group/family, the ionization energy…
Decreases
What group on the periodic table ends in ns2np4?
Oxygen group
Who compiled a list of known elements including gases, earths, metals, and nonmetals?
Antoine Laviosier
What is the name of the two series in the F Block, in order?
Lanthanide series and Actinide series
An electrically charged atom or group of atoms formed by the loss or gain of one or more electrons
Ion
Why do anions have larger radii than cations?
The last period on the periodic table is called?
the superheavy elements
What two scientists organized the elements into rows with periodic properties?
Lothar Meyer and Dmitri Mendeleev
What is the name of Group 2 (2A) on the periodic table?
alkaline earth metals
The energy that occurs when an electron is acquired by a neutral atom
Electron Affinity
The trend of electronegativity is all based around what element?
Fluorine
What group on the periodic table is stored in oil or kerosene to protect from moisture and oxygen in air?
alkali metals
DAILY DOUBLE: Who were the only 2 scientists who had elements named after them while they were alive? Where did each one work?
Glenn Seaborg and Yuri Oganessian; Seaborg at UC Berkley and Oganessian at JINR
This group on the periodic table gets its name after the Greek word meaning “salt forming”
halogens
The energy required to remove a valence electron from an atom
Ionization Energy
What are the two types of exceptions in the trend of ionization energy?
s and p block, p3 and p4 configurations
What classification of elements are used as phosphors (substances that emit light when struck by an electron/UV light)
Lanthanide series
Who determined that there were groups of elements (that he called triads) in which the middle element has properties that were the average of the other two?
Johann Dobereiner
What is another name for the D Block elements?
transition metals/elements
The reduction of the attractive force between the nucleus and its outer (valence) electrons due to the blocking effect of the inner electrons
Shielding Effect
What are the two situations involving electron affinity?
an atom is forced to gain an electron; an atom wants to gain an electron
What group of elements gets their name from being classified as solids such as lime and magnesia that didn’t change in fires?
alkaline earth metals