What charge does a Neutron have?
Positive
Neutral
Negative
Radioactivity is measured in Becqurels (Bq)
What is Atomic Mass?
The number of Protons
The number of Protons + Neutrons
The number of Neutrons + Electrons
In which of these types of decay does a particle lose two protons and two neutrons?
Beta decay
Alpha decay
What are the two methords of splitting atoms?
Cutting
Fusion
Splitting
Fission
A element is radiocative because its Nucleus has been made unstable
How is radioactive waste stored?
In well insulated store rooms
Burried in large tanks underground
Seeled in large glass like blocks burried deep within rocks
Nuclear reactors are designed to allow a controlled chain reaction
How do Nuclear power stations control the chain raction inside a reactor to prevent an explosion?
Control Rods are used to control the ammount of free neutrons
Temperature changes are used to slow down or speed up the reaction
Nuclear fusion involves two atomic nuclei joining togeather to make a larger nucleus
Radioactive materials are renewable so we will not run out of them soon
What are two common isotopes used as nuclear fuels?
uranium
bromium
hydrogen
plutonium
Radioactive Material is so harmful it causes the surrounding areas to become dangerous and unhabitable for years.
What is a half life?
The time it takes for the number of isotopes in a sample to halve
The time it takes for an radioactive material to loose its radioactivity
This graph shows the decay curve for a radioactive substance?
When a Nuclear power station produces electricity steam is used to turn a turbine. Which inturn causes a generator to produce electricity.
What are Control Rods in an Nuclear reactor made from?
Boron
Zinc