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