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Greek
Dalton’s
Philosophers Atomic
Theory
The
atom
Subatomic
particles
How
atoms
differ
Radioactivit
y
Types of
radiation
1
1 1 1 1 1 1 1
2 2 2 2 2 2 2
3 3 3 3 3 3 3
4 4 4 4 4 4 4
A1
Said that matter is made of atoms
which move through empty space
A2
Stated that empty space cannot
exist and that matter is made up of
earth fire, and water
A3
Marked the beginning of the
modern atomic theory
A4
Dalton’s idea’s were most like who??
B1
Atoms are composed of extremely
small particles called?
B2
Atoms of a given
element had identical
what?
B3
Atoms do this when they combine to
make compounds
B4
In a chemical reaction,
atoms do this.
C1
The smallest part particle of an
element that retains the
properties of the element.
C2
Discovered by JJ Thomson,
this atomic particle was found
using a cathode ray tube
C3
The model Thomson composed that states that
the atom is a uniform, positively charged sphere
containing electrons.
C4
The scientist and name of the
experiment who used the Plum Pudding
model to determine properties of the
nucleus, including charge, relative size,
and density
D1
Carries a positive charge and is located in
the nucleus of the atom
D2
Discovered by James Chadwick, contains a neutral
charge, is located in the nucleus, is about the same
mass as a proton
D3
Carries a negative charge,
located surrounding the
nucleus, and has
a mass much smaller than a
proton and neutron
D4
Most of the
atoms’ mass
E1
The number of protons in an atom is
also the elements identity
E2
Atoms with the same number of protons but
different number of neutrons
E3
The atomic number plus the
number of neutrons
E4
Defined as one twelfth the mass of
a carbon-12 atom. (An easier way
to express the mass of an atom
F1
The rays and particles emitted
by radioactive material
F2
A reaction that involves a change in an
atom’s nucleus.
F3
Unstable nuclei lose energy
by emitting radiation in this
spontaneous process.
F4
Substances that spontaneously emit
radiation is called this process
G1
Contains two protons and two neutrons
and is equivalent to a Helium-4 nucleus
G2
Consists of a fast moving electron
G3
High energy radiation that possess no mass usually
accompanies alpha and beta radiation
G4
The quantities that are
conserved when balancing a
nuclear reaction
A1
Democritus
A2
Aristotle
A3
Dalton
A4
Democritus
B1
ATOMS
B2
Size, Shape, and Mass
B3
Combine in simple whole
number ratios
B4
Separate, combine and rearrange
C1
ATOM
C2
Electron
C3
Plum Pudding model
C4
Rutherford – Gold Foil Experiment
D1
PROTON
D2
Neutron
D3
Electron
D4
Nucleus
E1
Atomic Number
E2
Isotope
E3
Mass Number
E4
amu
F1
Radiation
F2
Nuclear reaction
F3
Radioactive decay
F4
Radioactivity
G1
Alpha particle
G2
Beta particle
G3
Gamma ray
G4
Mass number and atomic number