CHEMICAL SYMBOLS
SCIENTISTS
PARTS OF THE ATOM
ORGANIZING THE TABLE
METALS, NONMETALS, METALLOIDS
100
C
What is carbon?
100
The scientist who put together the first periodic table.
Who is Dmitri Mendeleev?
100
The positive particles of the atom.
What is proton?
100
The periodic table is arranged by the number of protons in the nucleus, or ....
What is atomic number?
100
Group 1 of the periodic table is known as ....
What are alkali metals?
200
F
What is Fluorine?
200
The scientist who thought electrons were scattered throughout the atom and came up with the chocolate chip cookie or muffin model.
Who is Thomson?
200
The neutral particle of the atom.
What is the neutron?
200
The vertical columns of the periodic table are known as families or ....
What are groups?
200
Group 18 of the periodic table is known as ....
What are the noble gases?
300
Cl
What is Chlorine?
300
The scientist who revised the model to show that electrons move in orbits around the nucleus similar to how plants orbit the sun.
Who is Niels Bohr?
300
The part of the atom that contains protons and neutrons.
What is the nucleus?
300
Horizontal rows are called.....
What is a period?
300
The elements that are semiconductors are ....
What are the metalloids?
400
Au
What is Gold?
400
The scientist who is credited with developing the Atomic Theory; that atoms of the same element are exactly alike and have the same mass.
Who is John Dalton?
400
The three subparticles of an atom are
What is the proton, neutron, and electron?
400
As you move left to right across the table, the number of __________ electrons increases.
What is valence?
400
The halogens are also known as .....
What is "salt forming?"
500
Hg
What is Mercury?
500
The scientist who countered Thomson's model to state that it was protons in the nucleus of an atom, not electrons.
Who is Ernest Rutherford?
500
Atoms with same number of protons but different number of neutrons.
What are isoptopes?
500
As you move down the periodic table, the number of ________ levels increases.
What is energy?
500
The ability of a metal to be drawn into wire.
What is ductility?
M
e
n
u