Chemistry Legends
He created the first periodic table and left gaps for undiscovered elements.
Who is Dmitri Mendeleev?
The vertical columns on the periodic table are called this
What are groups?
No two people, not even identical twins, share this unique biological feature
What are fingerprints?
This type of bond involves the sharing of electrons
What is a covalent bond?
This is the most abundant element in the universe
What is hydrogen?
He proposed a model of the atom where electrons travel in specific orbits around the nucleus at specific energy levels
Who is Neil Bohr?
This element is the lightest and sits at the top of Group 1
What is Hydrogen?
Fibers, hairs, and glass fragments are examples of this kind of evidence
Sodium and chlorine form this type of bond
What is an ionic bond?
This element has the symbol Fe and is essential in hemoglobin
What is iron?
This Polish-born scientist won two Nobel Prizes for her work with radioactivity.
Who is Marie Curie?
Elements in the same group have the same number of these
What are valence electrons?
This technique is used to seperate components of a mixture, like ink or drugs
What is chromatography?
The unequal sharing of electrons leads to this type of covalent bond
What is a polar covalent bond?
This noble gas lights up signs with its orange-red glow
What is neon?
This scientist’s gold foil experiment led to the discovery of the nucleus.
Who is Ernest Rutherford?
The halogens are found in this group number
What is group 17?
The first officer at the scene must secure the what
What is the crime scene?
This number, also called Avogadro's number, is approximately 6.022×10²³
What is a mole?
This element has the highest electronegativity
What is flourine?
He discovered the electron using a cathode ray tube.
Who is J.J. Thompson?
These two groups contain the most reactive metals
What are groups 1 and 2?
Dr. Spencer Reid, a genius profiler known for his IQ of 187 and expertise in statistics and memory, works in what unit of the FBI?
What is the Behavioral Analysis Unit (BAU)?
This theory explains the shapes of molecules using electron pair repulsion
What is VSEPR Theory?
The only metal that is liquid at standard temperature and pressure
What is mercury?