C
Carbon
designer of the periodic table
Dmitri Mendeleev
Element Symbol: Ti
Titanium
"Smallest piece of any substance that is still that substance"
particle
What happens when bridges, roads, and other structures heat up?
they expand
Cl
Chlorine
Number of elements currently on the table
118
Element Symbol:Hs
Hassium
The energy in moving objects
kinetic energy
What happens when bridges, roads, and other structures cool?
They contract
H
Hydrogen
Three categories of "standard states"
solids, liquids, gases
Element Symbol:At
Astatine
A female chemist who discovered radiation (and won 2 Nobel Peace Prizes)
Marie Curie
The liquid substance inside a standard thermometer
alcohol
O
Oxygen
The majority of the elements fall into this 'class'?
metals
Element Symbol:Co
Cobalt
A chemist who discovered potassium, sodium, magnesium, boron, calcium, and barium.
Sir Humphry Davy
The first two elements on the periodic table (atomic numbers 1 & 2)
Hydrogen and helium
Na
Sodium
An element named after a state
Californium or Tennesseeium
Element Symbol: I
iodine
One of the groups/ classifications on the table that "do not react with other elements".
noble gases
Oxygen, silicon, iron, and aluminum (88%) make up this "home"
Earth