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Changes
→Key Stage 4
: The most [[Stable Isotope|stable isotope]] of [[Chromium]] has 28 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Relative Atomic Mass|atomic mass]] of 52.
: [[Chromium]] is in [[Period]] 4 of the [[Periodic Table]] because it has 4 [[Electron Orbital|electron shells]].
: [[Chromium]] loses [[electron]]s to form [[Positive Charge|positive]] [[Metal Ion|metal ions]].
====Properties====
: [[Chromium]] forms [[Ionic Bond|ionic bonds]] with [[non-metal]]s.
: [[Chromium]] is a [[metal]] [[element]] so it is a good [[Thermal Conductor|thermal conductor]] and a good [[Electrical Conductor|electrical conductor]].
: [[Chromium]] is a shiny [[solid]] at [[STP|standard temperature and pressure]] and has a high [[Melting Point|melting point]].