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Worksheets1st Nine Weeks Test Review
Total questions: 109
Worksheet time: 2hrs 47mins
Which is the most penetrating radiation?
position
alpha
beta
gamma
Which particle has a negative charge
Alpha
Electron
Proton
Neutron
What is an isotope
An atom with the same number of neutrons different number of protons
An atom that has lost or gained an electron
An atom with the same number of protons, different number of neutrons
An atom with the same number of electrons and different neutrons
What is half life
Time taken for a radioactive atom to decay be 1/4
Time taken for a radioactive atom to decay by 1/3
Time taken for a radioactive atom to decay by 1/2
Time taken for a radioactive atom to decay by 1/5
Which two parts make up the atomic mass
Electron
Proton
Electron shells
Neutron
__________________ is the process in which two or more smaller nuclei combine to create a larger, more stable nuclei.
Nuclear Decay
Nuclear Fission
Nuclear Fusion
None of the above
What is emitted during Beta Radiation?
Electron.
Protons.
Neutrons.
Nuclei
_______________ is when an unstable atoms breaks down emit radiation until they become stable.
Radiation
Chemical Reaction
Radioactive Decay
Isotopes
Which of the following is true for Carbon-14
it has 6 protons and 6 neutrons
it has 12 protons and 12 neutrons
it has 12 protons and 8 neutrons
it has 6 protons and 8 neutrons
The ratio between which two subatomic particles determines if a nuclei is stable.
protons and electrons
protons and neutrons
neutrons and electrons
Which graph best represents the variation in the vapor pressure of water as temperature changes?
None of these
reaction.
H2 + O --> H2O
Zn + 2HCl --> ZnCl2 + H2
2H2 + O2 --> 2H2O
2H2O2 →2 H2O + O2
2C3H7OH +9O2 -> 6CO2 + 8H2O
AgNO3 + NaCl → AgCl + NaNO3
The Law of Conservation of Mass States
Energy cannot be created nor destroyed, it can only change form.
Mass cannot be created nor destroyed, it can only change form.
Matter cannot be created nor destroyed, it can only change form.
Mass can be created or destroyed, it cannot change form.
Fe + O2 -> Fe2O3
Mg + __HCl ---> MgCl2 + H2
_Al +_HCl --> _H2 +_AlCl3
What is the charge of an ion in group 13?
+3
-3
-5
+5
Electrons in an atom are contained in specific ________ that are different distances from the nucleus.
Orbitals
Cirlces
Energy levels
Spaces
Formulas of ionic compounds are always reduced to the smallest whole-number ratio. They are referred to as
formulas units
molecular compounds
binary compounds
polyatomic ions
