The central component of an atom, comprised of protons and neutrons
What is the nucleus?
Plants use this pigment to generate glucose
What is chlorophyll?
The body is mostly comprised of this
What is water?
This element has the smallest atomic radius
What is hydrogen?
This process converts hydrogen and nitrogen into ammonia, discovered by Fritz and Carl, whom it was named after
What is the Haber-Bosch Process?
These subatomic particles can be found in a "cloud"
What are electrons?
This inert gas is the most prevalent in the atmosphere.
What is Nitrogen?
Enzymes in biological systems serve as these
What are catalysts?
This is the most electronegative element
What is Fluorine?
This atomic model proposed by J.J. Rutherford was named after this sweet treat
What is plum pudding?
An atom which has lost an electron becomes this
What is a cation?
How is helium less dense than air?
Each strand of DNA is held to its counterpart through these IMFs
What are hydrogen bonds?
Helium is a member of this alphabetical block on the periodic table, despite being separated
What is the s block?
She took the first crystal structure of DNA to confirm its double-helical shape
Who is Rosalind Franklin?
The splitting of a nucleus into smaller clusters of protons and neutrons
What is nuclear fission?
This gas, with the formula O3, recently had a hole in it and can create free radicals in biological systems
What is Ozone?
This barrier protects the nervous system from dangerous chemicals
This bimolecular halogen is notable as it is the only one of its kind to be a liquid at room temperature
What is bromine?
He invented both dynamite and the most prestigious chemistry award
Who is Alfred Nobel?
Pigments derive their color from the excitation and relaxation of electrons between these orbitals
What are D orbitals?
This polymer is used as a non-stick coating in cookware
The pH of blood, on average
What is 7.4?
This radioactive element is the largest atom in the s block
What is francium?
He is credited with inventing the modern periodic table
Who is Dmitri Mendeleev?