Chemistry 101 FINAL exam UWM rated
A
PET scan - correct answer ✅ ionizing emission
helped discover that schizophrenics have abnormal brain glucose metabolism
MRI - correct answer ✅ Water content of tumors or cancerous cells are different
than those of healthy cells
SAFE NON IONIZING radiation
studies what part of the brain is involved in memory
CT scan - correct answer
to get a 3D picture
✅ uses a computer to interpret a large number of xrays
ultrasound - correct answer ✅ safe for pregnancy
non ionizing radiation
how many neutrons in a tin atom with mass of #118 - correct answer ✅ 68
take mass # - atomic #
p+n - p
✅
give the symbol of the element in period 5 that can form a -1 ion - correct answer
I
how many total electrons in a mercury +2 ion - correct answer ✅ 78
80 usually, -2 b/c you do the opposite
,Chemistry 101 FINAL exam UWM rated
A
H2SO3 - correct answer ✅ sulfurous acid
Aluminum Carbonate - correct answer ✅ Al2(CO3)3
formula for ammonium sulfide - correct answer ✅ ammonium NH4+
sulfide S -2
--> (NH4)2S
What particle is emitted when 28Ni63 decays to 29Cu63 - correct answer
particle
✅ beta
-1 e 0
what particle is emitted? - correct answer ✅
When a proton disintegrates during spontaneous decay, a neutron is formed and
Positron
✅
What particle must collide with 7N14 to give 8O17 and a proton? - correct answer
alpha particle
Which has the lowest energy
infrared
microwaves
xrays
UV
, Chemistry 101 FINAL exam UWM rated
A
visible light - correct answer ✅
microwaves
Which type of solid is a piece of sodium? - correct answer ✅ metallic
what type of solid is dry ice? - correct answer ✅
molecular
answer ✅
Which property explains the fact that an ice cube floats on top of water? - correct
solid state of h2o is less dense than the liquid state
why is a steam burn worse that a boiling water burn? - correct answer
high heat of vaporization
✅
waters
Which is not true of a vaporization reaction? - correct answer
produced
✅ energy is
which is true of a vaporization reaction? - correct answer
produce two or more products
✅a single reactant will
electrolysis of water is an example
energy is always needed
heating calcium carbonate to form calcium oxide and CO2 is an example
(all of these are true)
what stays constant in a dilution? - correct answer
solute
✅number of moles of the
A
PET scan - correct answer ✅ ionizing emission
helped discover that schizophrenics have abnormal brain glucose metabolism
MRI - correct answer ✅ Water content of tumors or cancerous cells are different
than those of healthy cells
SAFE NON IONIZING radiation
studies what part of the brain is involved in memory
CT scan - correct answer
to get a 3D picture
✅ uses a computer to interpret a large number of xrays
ultrasound - correct answer ✅ safe for pregnancy
non ionizing radiation
how many neutrons in a tin atom with mass of #118 - correct answer ✅ 68
take mass # - atomic #
p+n - p
✅
give the symbol of the element in period 5 that can form a -1 ion - correct answer
I
how many total electrons in a mercury +2 ion - correct answer ✅ 78
80 usually, -2 b/c you do the opposite
,Chemistry 101 FINAL exam UWM rated
A
H2SO3 - correct answer ✅ sulfurous acid
Aluminum Carbonate - correct answer ✅ Al2(CO3)3
formula for ammonium sulfide - correct answer ✅ ammonium NH4+
sulfide S -2
--> (NH4)2S
What particle is emitted when 28Ni63 decays to 29Cu63 - correct answer
particle
✅ beta
-1 e 0
what particle is emitted? - correct answer ✅
When a proton disintegrates during spontaneous decay, a neutron is formed and
Positron
✅
What particle must collide with 7N14 to give 8O17 and a proton? - correct answer
alpha particle
Which has the lowest energy
infrared
microwaves
xrays
UV
, Chemistry 101 FINAL exam UWM rated
A
visible light - correct answer ✅
microwaves
Which type of solid is a piece of sodium? - correct answer ✅ metallic
what type of solid is dry ice? - correct answer ✅
molecular
answer ✅
Which property explains the fact that an ice cube floats on top of water? - correct
solid state of h2o is less dense than the liquid state
why is a steam burn worse that a boiling water burn? - correct answer
high heat of vaporization
✅
waters
Which is not true of a vaporization reaction? - correct answer
produced
✅ energy is
which is true of a vaporization reaction? - correct answer
produce two or more products
✅a single reactant will
electrolysis of water is an example
energy is always needed
heating calcium carbonate to form calcium oxide and CO2 is an example
(all of these are true)
what stays constant in a dilution? - correct answer
solute
✅number of moles of the
