Chemistry Electrons
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13 Terms
What was John Newlands’ main contribution to the periodic table?
He proposed the Law of Octaves
The Law of Octaves states that?
Elements repeat properties every eight element
Dmitri Mendeleev is best known for?
Predicting properties of undiscovered elements
Henry Moseley improved the periodic table by arranging elements based on?
Atomic Number
A group (family) on the periodic table is?
A vertical column
Periods on the periodic table are?
Horizontal rows
Which Elements are considered representative (main group) elements?
Groups A Elements
Where are transition metals located?
Middle of the table
Inner transition metals include the:
Lanthanides and actinides
Which property is characteristic of metals?
Malleable
What does ductility mean?
Ability to be drawn into wires
Metalloids are best described as elements that:
Have properties of both metals and nonmetals
Valence Electrons are:
Electrons involved in bonding
Note 
Flashcards (78)