(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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discovered the electron; disproved atomic theory that assumed atoms were indivisible
J.J. Thompson
particle that has a negative charge
electron
Conduct heat and electricity, but not as well as metals
metaloids
John Dalton
Developed the "Billiard Ball" atomic model
elements within a period have the same number of ?
electron shells or orbitals
holds
a maximum of two electrons
first energy level; innermost K- shell
atomic mass unit
mass of one proton or neutron
Atomic model that electron is a "cloud" around the nucleus
Quantum Mechanical model
particle that has a positive charge
proton
Elements that are
poor conductors of both heat and electricity
non-metals
Valency
the ability of an atom
to react
(form chemical bonds) with other atoms
Atoms in the
4th Period will have ? shells
four
how electron shells of an atom are filled
from the inside out
particle that has no charge
neutron
said electrons could only orbit the nucleus in specific orbits or shells
Niels Bohr
the center of the atom where most of the mass is located
nucleus
Elements in Group 8 are called ?
Noble Gasses
what determines what the element is
The number of
protons in an atom
increases from left to right across a Period
Atomic Number
Term for outer most shell of an atom
Valence shell
electron configuration of atom in Group 3, 2nd Period
2,3
What is an atom?
the smallest unit of matter that retains all of the chemical properties of an element
Valency of the "Carbon Group"
+4
-4
Malleable
easily hammered into very thin sheets
electron configuration of atom in Period 4, Group 1
2,8,8,1
early Greek to develop the idea that everything is composed entirely of various imperishable, indivisible elements called atoms.
Democritus
Elements in Group 7 are called ?
Halogens
tells # of valence electrons = ?
Group #
Vertical columns in Periodic table
Groups
Octet rule
atoms are more stable when they have eight electrons in their outermost electron shell
Why Group 0/8 elements are inert
Outer shell is filled
atomic mass
total # of protons and neutrons in nucleus
The largest category of elements
metals
what atoms are mostly
empty space
Discovered the atomic nucleus
Ernest Rutherford
luster
shiny
atomos
Greek for "indivisible"
Elements in Group 1 are called ?
Alkali Metals
Where electrons with the lowest energy are found
electrons found closest to the nucleus
a neutral atom
an atom with equal number of protons and electrons
"plumb pudding" atomic model
negative particles floating within a
mass of diffuse positive charge
the atomic number
tells us the number of protons in an element's atom
Horizontal rows in Periodic Table
Periods
The electron configuration of an atom with 14 electrons
2,8,4
An atom that has gained or lost an electron
Ion
ductile
can be drawn into thin wires
The electron configuration of an atom with 15 electrons
2,8,5
