Electromagnetic Spectrum
Causes sunburn
What is ultraviolet radiation
Proposed the Plum Pudding Model of the Atom
Who is J. J. Thomson
Russian scientist who was credited with constructing the Periodic Table
Who is Dmitri Mendeleev
The amount of space an object takes up
What is volume
Consists of two or more elements bonded together
What is a compound
Used in remote controls
What is infrared radiation
James Chadwick's contribution to atomic theory
Who discovered the neutron
Group 1, excluding hydrogen
What are the Alkali Metals
The smallest unit of an element
What is an atom
Greek word for "indivisible"
What is "atomos"
Has the most energy
What are X-rays
Proposed the Billiard Ball Model of the Atom
Who is John Dalton
Groups 3-12
What are the transition metals
Another name for shiny
What is lusterous
Number of elements on the modern Periodic Table
What is 118
Has the lowest frequency
What are radio waves
Region of space where there is a high probability of finding an electron
What is an atomic orbital
Horizontal rows of the Periodic Table
What are periods
Can be flattened into sheets
What is malleable
Has the properties of metals and nonmetals
What is a metalloid
Distance from peak to peak
What is wavelength
Bohr's model of the atom
Electrons found in orbits at a fixed distance from the nucleus
The Halogens
What is group 17
This metallic element is a liquid at room temperature
What is mercury
Metalloid in group 13
What is Boron