Quiz 11-1-1
Name __________________________________________________ Period ________ Date ______________________ Quiz 11-1 Nuclear Chemistry β Version 1
Total Points: _______/10 A
1. Which type of nuclear decay emits a particle with the same structure as an electron? Beta decay
A
2. Which type of nuclear decay has the highest penetrating power? Gamma radiation
A
3. Complete the following nuclear reaction.
252 98πΆπ
β
106 42ππ
142 56π΅π
+
+ 4 10π A
4. Write the balanced nuclear reaction for the alpha decay of Neptunium-237.
237 98ππ
β
233 96πΆπ
+ 42π»π A
5. Give the nuclide symbol for Barium-137.
137 56π΅π A
6. Write the balanced nuclear equation for the beta decay of Carbon-14.
14 6πΆ
β
14 7π
+
0 β1π
7. The half-life of thorium-227 is 18.72 days How many days are required for threefourths of a given amount to decay?
A
U
W
S
A
U
W
S
π‘
1 2 1 β18.72 πππ¦π ( ) =( ) 2 2 2=
π‘ 18.72 πππ¦π
π‘ = 37.44 πππ¦π
8. The half-life of Palladium-100 is 4 days. After 12 days a sample of Pd-100 has been reduced to a mass of 4.00 mg. Determine its starting mass. 12 πππ¦π β4 πππ¦π
1 4.00 ππ = πΌ ( ) 2
πΌ = 32.0 ππ 9. What is the mass of the sample in #8 eight weeks after the start? 56 πππ¦π β4 πππ¦π
1 π΄ = (32.0 ππ) ( ) 2
60.0 βπβ β
1 13.0 π = (208 π) ( ) 2
60.0 βπβ β
13.0 π 1 =( ) 208 π 2
60.0 βπβ β
4=
60.0 βπ β
β = 15.0 βπ
U
W
S
A
U
W
S
= 0.00195 ππ
10. A 208 g sample of sodium-24 decays to 13.0 g of sodium-24 in 60.0 hr. What is the half-life of this radioactive isotope?
1 4 1 ( ) =( ) 2 2
A
Total Points: _______/10 A
1. Which type of nuclear decay emits a particle with the same structure as an electron? Beta decay
A
2. Which type of nuclear decay has the highest penetrating power? Gamma radiation
A
3. Complete the following nuclear reaction.
252 98πΆπ
β
106 42ππ
142 56π΅π
+
+ 4 10π A
4. Write the balanced nuclear reaction for the alpha decay of Neptunium-237.
237 98ππ
β
233 96πΆπ
+ 42π»π A
5. Give the nuclide symbol for Barium-137.
137 56π΅π A
6. Write the balanced nuclear equation for the beta decay of Carbon-14.
14 6πΆ
β
14 7π
+
0 β1π
7. The half-life of thorium-227 is 18.72 days How many days are required for threefourths of a given amount to decay?
A
U
W
S
A
U
W
S
π‘
1 2 1 β18.72 πππ¦π ( ) =( ) 2 2 2=
π‘ 18.72 πππ¦π
π‘ = 37.44 πππ¦π
8. The half-life of Palladium-100 is 4 days. After 12 days a sample of Pd-100 has been reduced to a mass of 4.00 mg. Determine its starting mass. 12 πππ¦π β4 πππ¦π
1 4.00 ππ = πΌ ( ) 2
πΌ = 32.0 ππ 9. What is the mass of the sample in #8 eight weeks after the start? 56 πππ¦π β4 πππ¦π
1 π΄ = (32.0 ππ) ( ) 2
60.0 βπβ β
1 13.0 π = (208 π) ( ) 2
60.0 βπβ β
13.0 π 1 =( ) 208 π 2
60.0 βπβ β
4=
60.0 βπ β
β = 15.0 βπ
U
W
S
A
U
W
S
= 0.00195 ππ
10. A 208 g sample of sodium-24 decays to 13.0 g of sodium-24 in 60.0 hr. What is the half-life of this radioactive isotope?
1 4 1 ( ) =( ) 2 2
A
