The type of
radiation consisting of fast-moving electrons is called:
A) x-ray
B) alpha
C) beta
D) none of the above
Which of the
following radioactive decay processes does not reduce the atomic number of a
nuclide
A) positron
B) gamma
C) alpha
D) beta
What product of
fission is necessary in order to establish a chain reaction
A) kryton
B) berkelium
C)neutron
D) none of the above
Which of the
following is the purpose of a geiger counter?
A) counting scintillation
B) counting period
C) isotope separation
D) none of the above
The half-life of an
isotope is the time required for half the nuclei in a sample to
To decay to half
An atom has no
net electrical charge because
It has been neutralize
Which type of
matter has a definite composition throughout
A) solid
B) liquid
C) gas
D) plasma
Based on its
position relative to the band of stability, 80zn will undergo
A)alpha decay
B) beta
C) gamma
D) positron
126 52 Te has how
many neutron?
A) 78
B)52
C)126
D) none of the above
The nuclide of
oxygen-18 contains ____________________ neutrons.
A) 18
B)10
C) 8
D) 6
Matter that has a
uniform and definite composition is called
A) solid
B) liquid
C) gas
D) none of the above
Only alpha decay and beta
decay will result in the change of a nuclear identity.
How many kinds of
matter does a pure substance contain
A) one
B) two
C) three
D) four
Matter that has a
uniform and unchanging composition
Matter that has a
uniform characteristics throughout is called
A) compound
B) mixtures
C) homogenous
D) hetrogenous
Term that describes
matter that has a uniform and definite composition
A) compound
B) mixtures
C) homogenous
D) hetrogenous
Matter that has a
uniform and unchanging composition
A) compound
B) mixtures
C) homogenous
D) hetrogenous
How many kinds of
matter does a pure substance contain
A) compound
B) mixtures
C) homogenous
D) hetrogenous
All samples of a
substance have different physical properties
A) compound
B) mixtures
C) homogenous
D) hetrogenous
Matter that has a
uniform characteristics throughout is called
A) compound
B) mixtures
C) homogenous
D) hetrogenous
Which type of
matter has a definite composition throughout
A) compound
B) mixtures
C) homogenous
D) hetrogenous
The type of change
that results in a change in identity
A) chemical change
B) physical change
C) nuclear change
D) none of the above
A physical property
is a quality or condition of a substance that can be
Change
A change to a
material that does not change its composition
Is called chemical
change
What substance is a yellow
solid and melts at 115 degrees celsius
A) iron
B) sodium
C) sodium chloride
D) platinum
Circle the letter
of the term that is not a physical property
A) color
B) mass
C) volume
D) shape
Matter that takes
both the shape and volume of its container is
A) gas
B) solid
C) liquid
D) plasma
Measure of the
space occupied by an object
A) area
B) volume
C) shape
D) mass
What is the melting
point of bromine
A)-7.5c
B)12c
C)15c
D) none of the above
The term gas is
limited to those substances that exist in the gaseous state at
A) 25 celcius
B) 100celcius
C) 315kelvin
D) all of the above
Matter that has a
uniform and definite composition is called
a)
SOLID
b)
LIQUID
c)
PLASMA
Which of the
following is a heterogeneous mixture
A) sand in water
B) peak milk
C)cocacola fanta
D) soap
Which state of
matter expands when heated and is easy to compress
A) gas
B) liqid
C) plasma
D) solid
Which of the
following is a heterogeneous mixture vinegar and water milk oil and vinegar air
Answer this question
Which of the
following is a physical property of a substance in the liquid state?
A) compressibility
B) heterogeneity
C) incompressibility
D) definite shape
Which of the following
is a heterogeneous mixture
A) soup
B) yorghurt
C)fanta
D) none of the above
Since gases and
liquids have particles that are further apart, they can both be easily
compressed.
True or false
The particles in a
solid are constantly moving. What kind of motion is this?
A)translational
B) oscillatory
C) simple harmonics
D) none of the above
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