Vocab
Who is the Lewis Dot Structure named after
Lewis
"Father of Modern Chemistry"
Dmitri Mendeleev
Atomic Number tells us the number of what particle
Protons/Electrons
Gallium or Mercury
What direction is a period on the Periodic Table
Horizontal
Group of symbols that show the ratio of elements in a compound
Chemical Formula
This scientist theorized that electrons are found in orbits around the nucleus
Niels Bohr
In Beta Decay what happens to the atomic mass of the original element
Nothing
What are 2 properties of a nonmetal
Non-conductors, no luster, typically gas at room temperature, non-malleable, not ductile
Groups 3-12 on the Periodic Table
Transition Metals
Attraction between two oppositely charged atoms
Ionic Bond
Who developed the first Atomic Theory
John Dalton
How were the elements originally organized on the Periodic Table
By Atomic Mass
Metals are found on this side of the Periodic Table
Left
The most reactive group of Metals
Alkali Metals
Subatomic particles involved in chemical bonding and that have the highest energy within an atom
Valence Electrons
What type of particles did Ernest Rutherford "shoot" at the Gold Foil in his famous experiment
Alpha Particles
What subatomic particles varies between isotopes of an element
Neutrons
If a material can be drawn into long wires, it is said to have this characteristic
Ductile
The least reactive group on the Periodic Table is this group and why are they the least reactive
Noble Gases/Group 18. 8 valence electrons
A bond in which electrons are shared equally
Nonpolar Bond
Marie Curie studied at this school in Paris, France
Sorbonne
In Alpha Decay, what is emitted and how does that change the original element
Helium Atom; mass number decreases by 4 and atomic number decreases by 2.
This material tends to gain electrons in a chemical reaction
Nonmetals
The bottom two rows of the Periodic Table are called
Lanthanides and Actinides