Changes

| style="height:20px; width:400px; text-align:left;" |[[Neutron Radiation|Neutron radiation]] can penetrate paper and sheets of [[metal]] foil but cannot penetrate more than a few cm of [[Lead]] or a [[metre]] of [[concrete]] before they are captured by the [[Atomic Nucleus|nucleus]] of an [[atom]].

: With a [[Electrical Charge|charge]] of 0 and almost no effect on the [[electron]]s [[Electron Orbital|orbiting]] [[Atomic Nucleus|nuclei]], '''[[neutron]]s''' are not directly [[Ionising Radiation|ionising]]. However, they can either [[Radioactive Decay|decay]] into a [[proton]] and a [[Beta Particle|beta particle]] releasing a [[gamma-ray]] or they can be captured by the [[nucleus]] of an [[atom]] causing that to release a [[gamma-ray]].

| style="height:20px; width:600px; text-align:left;" |When an It can be [[Absorb (Physics)|absorbed]] by a [[Alpha ParticleAtomic Nucleus|α-particlenucleus]] interacts with an making it [[atomUnstable Isotope|unstable]] the and causing it to release a [[Alpha Particlegamma-ray]].|α-particle|[[File:NeutronPenetrationAir.png|center|600px]] |-| style="height:20px; width:600px; text-align:left;" |It can remove one or two [[electronRadioactive Decay|decay]] into a [[proton]] and a [[Beta Particle|beta particle]]s to '''ionise''' the releasing a [[atomgamma-ray]].

: [[Alpha ParticleNeutron Radiation|Alpha Neutron radiation]] is the most not directly [[Ionising Radiation|ionising]] but the least is as [[Penetration Depth|penetrating]]as [[gamma-ray]]s.: [[Alpha ParticleNeutron Radiation|AlphaNeutron]] sources are kept inside a block of [[lead]] with a hole that only allows the '''[[Alpha Particle|alpha particlesneutron]] s''' out in one direction.: Outside the body an [[organismNeutron Radiation|Neutron radiation]] can is too dangerous to handle directly so it must be protected done from behind a thick [[Alpha Particle|alpha radiationlead]] by keeping a distance greater than 5cm or by covering any bare skinscreen.: Inside an [[organism]] [[Alpha ParticleNeutron Radiation|alpha particleNeutron]]s are the most dangerous as they are highly [[Ionising Radiation|ionisingemission]] and there is nothing inside an [[organism]] to block them usually stimulated by bombarding [[Ionising RadiationAtomic Nucleus|ionisingnuclei]] biological with other [[moleculeparticle]]s like [[DNA]]. Every precaution must be taken not to The [[Radioactive ContaminationNeutron Radiation|contaminateneutron]] the skin with the [[Alpha Particle|alpha]] source in case it finds its way into the body through sources have a cut or the mouth.: When handling a source of very short [[Beta ParticleHalf Life|beta radiationhalf life]] the precautions which should so they do not need to be taken are::*Wear gloves - to prevent [[Radioactive Contamination|contamination]].:*Use tongs to handle the source, never touch it - to prevent [[Radioactive Contamination|contamination]].:*Aim the source away from any living [[organism]] - to prevent [[irradiation]].:*Store the source kept in a sealed container - to prevent [[Radioactive Contamination|contaminationLead]] and containers for long before they are no longer dangerously [[irradiationradioactive]].

|style="height:20px; width:300px; text-align:center;" |'''Find the [[File:SmokeDetectorelement]] 'X' and calculate its [[Relative Atomic Mass|relative atomic mass]] 'A' and its [[Relative Atomic Charge|relative atomic charge]] 'Z'.png''' <math>{}_{3}^{8}Li \rightarrow {}_{Z}^{A}X + {}_0^1n</math>|style="height:20px; width:300px; text-align:center;" |600px'''Find the [[element]]'X' and calculate its [[Relative Atomic Mass|relative atomic mass]] 'A' and its [[Relative Atomic Charge|relative atomic charge]] 'Z'.''' <math>{}_{Z}^{A}X \rightarrow {}_{10}^{26}Ne + {}_0^1n</math>

| style="height:20px; width:600px300px; text-align:left;" |In a smoke detector '''1. Calculate the [[Alpha ParticleRelative Atomic Mass|alpha particles]] are released between two [[electroderelative atomic mass]]sby looking at the top row of numbers.'''

When 8 = A + 1 A = 7| style="height:20px; width:300px; text-align:left;" |'''1. Calculate the [[Alpha ParticleRelative Atomic Mass|alpha particlesrelative atomic mass]] by looking at the top row of numbers.''' A = 26 + 1 A = 27|-| style="height:20px; width:300px; text-align:left;" |'''2. Calculate the [[Ionising RadiationRelative Atomic Charge|ioniserelative atomic charge]] by looking at the [[molecule]]s in bottom row of numbers.''' 3 = Z + 0 Z = 3| style="height:20px; width:300px; text-align:left;" |'''2. Calculate the [[airRelative Atomic Charge|relative atomic charge]] by looking at the [[ion]]bottom row of numbers.''' Z = 10 + 0 Z = 10|-| style="height:20px; width:300px; text-align:left;" |'''3. It's move between the same [[electrodeelement]]s and but a [[Electrical Current|current]] flows in the [[circuit]]different isotope.'''

When smoke gets between <math>{}_{3}^{7}Li</math>| style="height:20px; width:300px; text-align:left;" |'''3. Since the [[electrodeRelative Atomic Charge|relative atomic charge]]s is the same as the [[ionAtomic Number|atomic number]]s become stuck in large look up the [[particleelement]]s of [[soot]] preventing them from moving. This stops on the [[Electrical CurrentPeriodic Table|current]] in the [[circuitperiodic table]].'''