This Russian chemist was responsible for unlocking the relationship among all the elements and developing the periodic table
Dimitri Mendeleev
Periods are the row/columns of the table
Rows
Meaning recurring at regular intervals this word was aptly suited to the table Mendeleev created
Periodic
The debate about the nature of light has been firmly settled
False
Element #101 on the Periodic Table was named for a man who cracked its code
Mendeleev
This quiet English chemist was the first to notice the presence of an inert gas in a sample and wrote about it. Because he was so quiet, this information remained hidden for years.
Henry Cavendish
The families of the periodic table are the rows/columns
Columns
This first element to be discovered with the spectroscope was named for its beautiful color, resembling that of the sky.
Cesium
The idea of light being a particle was a good one, but light also exhibits the nature of this beachy feature
A wave
The pope who coined the term Totus Tuus
JPII
Not only known for his invention of a burner, this German chemist worked with a partner to develop the first spectroscope.
Robert Bunsen
This element was discovered after the initial publication of the periodic table and Mendeleev correctly predicted its properties and atomic weight, although he had never seen it.
Gallium
They called the combining power of an element this word. Hydrogen has a combining power of 1.
Valence
The beautiful rainbow we observe occurs when sunlight passes through water droplets and this happens.
It is bent
Three tools utilized by scientists to discover new elements were the spectroscope, electricity, this.
The Periodic Law
Poor and uneducated, this optical factory worker was the first to identify spectra of elements. Because of his humble status, this discovery was not immediately embraced.
Joseph Fraunhofer
The family furthest to the right on the periodic table
The Noble Gases
When the outer shell of an element is completely full it contain a complete _________________ (of electrons).
Octet
After the invention of the spectroscope, starlight was found to be identical in composition to this
The Sun
Along with his friend Robert Bunsen, he helped to invent the spectroscope.
Gustav Kirchoff
This inquisitive English scientist sought to understand more clearly the nature of light. He was able to demonstrate that white light contained colors, not the prism.
Sir Isaac Newton
The family containing Chlorine, Fluorine, Bromine and Iodine
The Halogens
This word means unreactive or "no action"
Inert
The colors of the visible electromagnetic spectrum occur in this regular pattern
Red, Orange, Yellow, Green, Blue, Indigo, Violet
The feast of Easter is always celebrated on the first Sunday after the first full moon, after this periodic event in nature.
The Vernal Equinox