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WorksheetsGR91QTR SCI MATTER
Total questions: 106
Worksheet time: 58mins
The two types of properties used to classify matter are (a) and chemical.
(a) properties change the composition of the substance.
What are the two types of physical properties used to classify matter?
intensive
extensive
chemical
substance
gravity
Intensive physical properties do not depend on the amount of substance.
true
false
If I pour milk into a glass, filling it halfway, and then I pour more in, does the color change?
yes
no
Extensive physical properties will change depending on the amount of substance.
true
false
If I pour milk into a glass, filling it halfway, and then I pour more in, does the volume change?
yes
no
Chemical properties describe matter’s ability to change in reaction to something else.
true
false
If I leave milk out, will I be able to drink it in a month?
yes
no
On the basis of Rutherford's Model of an atom, which sub-atomic particle is present in the nucleus of an atom.
proton and electron
neutron and electron
proton and neutron
proton only
if the first and second energy levels of an atom are full, then what would be the total number of electrons in the atom?
6
8
10
18
Which atomic model is proposed by Schrodinger?
nuclear model
planetary model
raisin bread model
quantum mechanical model
Which electron transition results in the emission of energy?
3p to 3s
3p to 4p
2s to 2p
1s to 2s
The symbol "n" in the Bohr theory of atomic structure refers to
the energy of electron
the total energy of the atom
the number of electron in an energy level
the orbit in which an electron is found
Which of the following sublevels is correctly designated?
1p5
3f9
2p6
3d11
How many orbitals are in the third principal energy level?
3
6
9
2
Which configuration is possible in an excited state of electron?
2He:1s2
1H:1d1
11Na:1s2 2s2 2p6 3d1
10Ne: 1s2 2s2 2p5 3s1
What are the orbitals present in the fifth principal energy level?
s orbital
s,p orbital
s,p,d orbitals
s, p, d, and f orbitals
For a neutral atom with the electron configuration of 1s2 2s2 2p5 3s1 which statement is false?
the atomic number is ten
the 1s and 2s orbitals are filled
the atom is in the ground state
the atom is in the excited state
Who proposed the probability that electrons will be found in certain locations around the nucleus of an atom?
Neils Bohr
Erwin Schrodinger
Ernest Rutherford
J.J. Thomson
Which of the following statements is NOT true of the atomic model of Bohr?
The hydrogen is made up of a positively charged nucleus
The electron revolves around the nucleus in a circular orbit
The energy of the electron in a given orbit is not fixed
An electron can absorb or emit a quantity of radiation
Which orbital designation has the highest energy?
2s
2p
3d
4s
Orbital is a region in an atom where electron can be found.
TRUE
FALSE
An electron can absorb energy when it jumps into a higher energy level.
TRUE
FALSE
An electron can emit energy when it jumps to a higher energy level.
TRUE
FALSE
Filling of electrons in an atom starts from a low energy level to the highest energy level.
TRUE
FALSE
What occurs when an electron moves from high energy level to a low one?
Another electron goes from a low energy level to a high one
The atom moves faster
Colored light is given off
This process is not possible
Which combination describes the flame color of the compound when heated
sodium chloride - orange
copper (II) sulfate - violet
potassium chloride - blue
boric acid - red
Which combination describes the flame color of the compound when heated
sodium chloride - green
copper (II) sulfate - orange
potassium chloride - violet
boric acid - red
___ is the study of matter and how it changes.
physics
ipc
biology
chemistry
When a substance burns, it is showing a ______ change.
Density
Chemical
Physical
Viscosity
A ____ happens when a new substance is formed with new and different properties from the original substance.
Viscosity change
Chemical change
Density change
Physical change
A ________ mixture is well-mixed and has particle so small they cannot be seen.
Homogeneous
Heterogeneous
Chemical
Compound
The resistance of a fluid to flow is _______-
Density
Buoyancy
Viscosity
Ductility
A _____ happens when a change does not produce a new substance, but the physical properties only are changed.
chemical change
physical change
burning
rusting
A _____ mixture is made of different materials that are distinct.
Homogeneous
Heterogeneous
Solution
Compound
Sharpening a pencil is a ___________ change.
Chemical
Physical
Viscosity
Density
The _________ of conservation of mass says that matter is not created or destroyed in a chemical change.
Principle
Hypothesis
Scientific Method
Law
Carbon, hydrogen, oxygen, chlorine, and sodium are ____
Elements
Compounds
Molecules
Heterogeneous
The smallest part of a compound that has the properties of the compound is the _______
proton
electron
atom
molecule
Water, sugar, natural gas, and carbon dioxide are _______
atoms
compounds
elements
mixtures
Chocolate chip cookies and air are ___________
atoms
molecules
compounds
mixtures
The smallest part of an element that has all the properties of that element is the ______________.
proton
electron
atom
molecule
Change of state from solid to liquid to gas is because of a ___________ property.
Chemical
Physical
Viscosity
Homogeneous
Solutions and dissolving are examples of _______ properties.
Chemical
Physical
Viscosity
Heterogeneous
Energy release and absorption are examples of __________ properties.
Chemical
Physical
Viscosity
Heterogeneous
Ability to be drawn into a thin wire is called __________
Ductility
Malleability
Viscosity
Density
Magnetic properties are ______________.
Chemical
Physical
Viscosity
Heterogeneous
When iron rusts it is undergoing a _________ change.
Chemical
Physical
Viscosity
Heterogeneous
Which refers to the property of a material that fractures when subjected to stress but has a little tendency to deform before rupture?
Flexibility
Brittleness
Density
Which of the following is a property of a material to be able to bend without breaking?
Flexibility
Hardness
Malleability
Which of the following refers to property of matter that expresses the relationship of mass to volume?
Malleability
Ductility
Density
Which of the following refers to the property of material that determines how well a given material will conduct electricity?
Hardness
Magnetic ability
Electrical conductivity
Which of the following refers to the the property of being rigid and resistant to pressure and not easily scratched?
Malleability
Hardness
Elasticity
Which of the following refers to the property of a material to transfer heat?
Miscibility
Brittleness
Thermal conductivity
Which of the following refers to the property of two substances to mix in all proportions, forming a homogeneous solution?
Miscibility
Malleability
Melting point
Which of the following refers to the physical property of a material to be able to be hammered thin or stretched into wire without breaking?
Density
Ductility
Elasticity
Which of the following refers to the physical property of material that defines their ability to be hammered, pressed, or rolled into thin sheets without breaking?
Luster
Ductility
Malleability
Which of the following refers to the property of an object or material to resume its normal shape after being stretched or compressed?
Elasticity
Viscosity
Electrical conductivity
Which of the following refers to the property of a material to shine by reflecting light making it glitter, sparkle, sheen, or gloss?
Flexibility
Luster
Thermal conductivity
Which of the following refers to the property of a fluid to resist deformation or resistance at a given rate?
Solubility
Magnetic ability
Viscosity
Which of the following refers to the property of a solid to change into liquid at a certain temperature?
Melting point
Boiling point
Freezing point
Which of the following refers to the property of matter to exhibit external magnetic field?
Magnetic ability
Electrical conductivity
Thermal conductivity
Which of the following refers to the property referring to the ability for a given substance, the solute, to dissolve in a solvent?
Miscibility
Luster
Solubility
Which of the following refers to the property of a chemical to burn or ignite, causing fire or combustion?
Flammability
Electrical conductivity
Elasticity
Which of the following refers to the property of a liquid to change into gas at a certain temperature?
Boiling point
Melting point
Freezing point
