(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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electron configuration of atom in Group 3, 2nd Period
2,3
elements within a period have the same number of ?
electron shells or orbitals
outer most shell of an atom
Valence shell
The largest category of elements
metals
# of valence electrons = ?
Group #
Vertical columns in Periodic table
Groups
Atom in the 4th Period will have ? shells
four
early Greek to develop the idea that everything is composed entirely of various imperishable, indivisible elements called atoms.
Democritus
the atomic number
tells us the number of protons in an element's atom
Octet rule
atoms are more stable when they have eight electrons in their outermost electron shell
Conduct heat and electricity, but not as well as metals
metaloids
particle that has a positive charge
proton
The electron configuration of an atom with 14 electrons
2,8,4
what atoms are mostly made of
empty space
non-metals
poor conductors of both heat and electricity
luster
means shiny
Discovered the atomic nucleus
Ernest Rutherford
discovered the electron; disproved atomic theory that assumed atoms were indivisible
J.J. Thompson
The electron configuration of an atom with 15 electrons
2,8,5
Horizontal rows in Periodic Table
Periods
particle that has a negative charge
electron
said electrons could only orbit the nucleus in specific orbits or shells
Niels Bohr
John Dalton
Developed the "Billiard Ball" atomic model
Atomic model that electron is a "cloud" around the nucleus
Quantum Mechanical model
the smallest unit of matter that retains all of the chemical properties of an element
What an atom is
holds a maximum of two electrons
first energy level; innermost K- shell
how electron shells of an atom are filled
from the inside out
atomic mass
total # of protons and neutrons in nucleus
electron configuration of atom in Period 4, Group 1
2,8,8,1
a neutral atom
an atom with equal number of protons and electrons
increases from left to right across a Period
Atomic Number
particle that has no charge
neutron
what determines what the element is
The number of protons in an atom
atomos
Greek for "indivisible"
ductile
can be drawn into thin wires
electrons with the lowest energy
electrons found closest to the nucleus
atomic mass unit
mass of one proton or neutron
the center of the atom where most of the mass is located
nucleus
"plumb pudding" atomic model
negative particles floating within a mass of diffuse positive charge
means easily hammered into very thin sheets
malleable
