P2 Revision Booklet

More Radiation

Easy (Grade D/E)

Q1.The names of three different processes are given in List A.
Where these processes happen is given in List B.
Draw a line to link each process in List A to where the process happens in List B.
Draw only three lines.
 
List A	 	List B	
style='height:1.1pt'>Process	 	Where it happens	
 	 	in a star	
fusion	 	 	
 	 	in a nuclear reactor	
chain reaction	 	 	
 	 	in a smoke precipitator	
alpha decay	 	 	
 	 	in the nucleus of an atom	

(Total 3 marks)
Q2.          The diagram represents an atom of beryllium. The three types of particle that make up the atom have been labelled.

(a)     Use the labels from the diagram to complete the following statements.
Each label should be used once.
The particle with a positive charge is ..........................................................
The particle with the smallest mass is ........................................................
The particle with no charge is ......................................................................
(2)
(b)     What is the atomic number of a beryllium atom?
Draw a ring around your answer.
 
4	5	9	13	

Give a reason for your answer.
........................................................................................................................
........................................................................................................................
(2)

(c)     Which one of the following statements describes what can happen to an atom to change it into an ion?
Tick () one box.
 
The atom loses a neutron.		

The atom loses an electron.		

The atom loses a proton.		

(1)
(Total 5 marks)
 Q3.          Four different processes are described in List A. The names of these processes are given in List B.
          Draw a line to link each description in List A to its correct name in List B.
Draw only four lines.

(Total 4 marks)
 Q4.          (a)     The names of three types of radiation are given in List A. Various properties of these three types of radiation are given in List B.
          Draw a line to link each type of radiation in List A to its correct property in List B. Draw only three lines.

(3)

(b)     This sign warns people that a radioactive source is being used in a laboratory.

Why is it important to warn people that a radioactive source is being used?
.....................................................................................................................................
.....................................................................................................................................
(1)

(c)     To study the blood flow in a patient’s lungs, a doctor injects some technetium-99 compound into the patient. The gamma radiation given out by the technetium-99
atoms is detected using a gamma camera outside the patient’s body.
          Which statement gives the reason why gamma radiation is used? Put a tick () in the box next to your choice.
          It can travel through a vacuum.         
          It is not affected by a magnet.           
          It can pass through the human body. 
(1)

(d)     The graph shows how the count rate from a sample of technetium-99 changes with time.

 

Q5.          The diagram shows an atom.

          How many protons are there in the nucleus of the atom? .................................................
          What is the mass number of the atom? ..............................................................................
(Total 2 marks)

 

More radiation-Mark scheme

M1.three lines correct
allow 1 mark for each correct line
if more than 1 line is drawn from a box in List A, mark each line incorrect

[3]
 M2.          (a)     proton
electron
neutron
all 3 in correct order
allow 1 mark for 1 correct
do not accept letters p, e, n
2

(b)     4
reason only scores if 4 is chosen
1
number of protons
accept number of electrons
accept there are 4 protons and 4 electrons
do not accept there are 4 protons and electrons 
1
(c)     The atom loses an electron.
1
[5]
 M3.          four lines correct
allow 1 mark for each correct line
if more than 1 line is drawn from a box in List A, mark each line incorrect

[4]

M5.          
•        4
•        9
each for 1 mark
[2]