This is the least massive element on the periodic table.
hydrogen
Carbon is capable of making this number of bonds, which contributes to its ability to form complex organic molecules.
4
Rows on the periodic table are called this.
periods
This scientist discovered radium and curium.
Marie Curie
This is the most common element in the earth's atmosphere.
nitrogen
This metal is a liquid at room temperature.
mercury
This element comprises 20% of the weight in all living organisms.
carbon
The periodic table contains this number of elements.
118
This scientist is considered the father of the periodic table.
Mendeleev
Cohesion of water is caused by this phenomenon.
Hydrogen bonding
This was the first artificially produced element and is much smaller than most other artificially produced elements.
Technetium
Carbohydrates are composed of these elements
C H O
The majority of elements on the periodic table are classified as this.
metals
Diagrams of molecular including lone electron pairs and bonds are named after this 20th century scientist.
Lewis
An element on the periodic table is named after this US college, known for its history and achievements in the field of chemistry.
Berkeley
This element is often used in science fiction as an alternative to carbon-based lifeforms.
silicon
These two functional groups are found in every amino acid.
amine and carboxylic acid
This group contains elements in all 3 major states of matter at STP
halogens
This was the only scientist to have an element named after him while he was alive.
Seaborg
This metal can be made to beat like a living heart.
gallium
This element was the first superconductor to be discovered when cooled to 4 Kelvins.
mercury
This bond, similar to a functional group that creates sweet-smelling compounds, makes up the backbone of DNA.
phosphodiester
This many elements were in the original periodic table.
28
This scientist performed the gold foil experiment and determined that atoms contained a nucleus.
Rutherford
This element is used as a catalyst in the Haber-Bosch process.
iron