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Atomic particle Radiation
Relative
Relative mass

c
harge Atoms - Atoms have a small nucleus surrounded by electrons in shells
Proton 1 +1

- Isotopes have a different number of neutrons
Neutron 1 0 - The
nucleus of an unstable isotope will decay by giving out
(alpha), (beta) or (gamma)…

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Background radiation - = low level radiation from our environment - Sources: radon gas,
granite, cosmic rays, bricks in buildings - Detected with count meter attached to
Geiger-Müller tube, in counts per minute (cpm)
Radiation badge - Contains photographic film- when developed, blackens to show
amount of radiation absorbed -…

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Pages in this set

Page 1

Preview of page 1

Page 2

Preview of page 2
Atomic particle Radiation
Relative
Relative mass

c
harge Atoms - Atoms have a small nucleus surrounded by electrons in shells
Proton 1 +1

- Isotopes have a different number of neutrons
Neutron 1 0 - The
nucleus of an unstable isotope will decay by giving out
(alpha), (beta) or (gamma)…

Page 3

Preview of page 3

Page 4

Preview of page 4
Background radiation - = low level radiation from our environment - Sources: radon gas,
granite, cosmic rays, bricks in buildings - Detected with count meter attached to
Geiger-Müller tube, in counts per minute (cpm)
Radiation badge - Contains photographic film- when developed, blackens to show
amount of radiation absorbed -…

Page 5

Preview of page 5

Comments

No comments have yet been made