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Created page with "==Key Stage 4== ===Meaning=== An '''alpha particle''' is a type of ionising radiation made of 2 protons and 2 neutrons emitted from the At..."
==Key Stage 4==
===Meaning===
An '''alpha particle''' is a type of [[Ionising Radiation|ionising radiation]] made of 2 [[proton]]s and 2 [[neutron]]s [[emit]]ted from the [[Atomic Nucleus|nucleus]] of an [[Unstable Isotope|unstable isotope]].
===About Alpha Particles===
: '''Alpha particles''' are a [[Helium]] [[Atomic Nucleus|nucleus]].
: '''Alpha particles''' are [[emit]]ted when a [[Atomic Nucleus|nucleus]] is too large or the [[ratio]] of [[proton]]s to [[neutron]]s is too large.
: '''Alpha particles''' are [[emit]]ted rather than single [[proton]]s or [[neutron]]s because the [[Helium]] [[Atomic Nucleus|nucleus]] is extremely [[Stable Isotope|stable]].
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===Meaning===
An '''alpha particle''' is a type of [[Ionising Radiation|ionising radiation]] made of 2 [[proton]]s and 2 [[neutron]]s [[emit]]ted from the [[Atomic Nucleus|nucleus]] of an [[Unstable Isotope|unstable isotope]].
===About Alpha Particles===
: '''Alpha particles''' are a [[Helium]] [[Atomic Nucleus|nucleus]].
: '''Alpha particles''' are [[emit]]ted when a [[Atomic Nucleus|nucleus]] is too large or the [[ratio]] of [[proton]]s to [[neutron]]s is too large.
: '''Alpha particles''' are [[emit]]ted rather than single [[proton]]s or [[neutron]]s because the [[Helium]] [[Atomic Nucleus|nucleus]] is extremely [[Stable Isotope|stable]].
: