Radioactive IGCSE

5. Gama rays are ............. by magnetic or electric feilds
6. The ..............contains both protons and neutrons
10. ......... particles will be deflected towards the negative pole of a magnetic field.
12. exposure to radiation can cause mututaions in cells resulting in .........
13. Alpha particles has the ......... ionizing effect
16. Nuclear accidents and nuclear testing are forms of .......... radiation
19. ...... can be detected underground using radiation source
20. This electromagnetic wave has no mass or charge
21. This type of radioactive particle has 2 protons and 2 neutrons
22. A ................ has a positive charge and a mass of 1
23. A ..................has no charge and a mass of 1
24. .......... can be used to stop alpha particles

1. An ............... has a negative charge and has very small mass
2. ............effect is the ability to remove electrons from other atoms
3. This type of radioactive particle is a high speed electron
4. Gamma radiation has the .......... ionizing effect
7. The ...............is the sum of the protons and neutrons
8. Ernest Rutherford's model of the atom is called the ..............
9. The ...............indicates the number of protons
11. ............can be used to protect us from Gamma radiation
14. .........particles will be deflected towards the potive pole of a electric field.
15. ...........like Al can be used to stop Beta particles
17. cosmic rays is a form of .......... radiation
18. .............refers to the time taken for a radioactive sample to reduce its mass/radiation count by half..