Group 2 Carbonates & Nitrates Thermal decomposition?is the breakdown of a compound into two or more different substances using?heat Thermal decomposition of carbonates The Group 2 carbon...
Group 2 Hydroxides & Sulfates Group 2 hydroxides Going down the group, the solutions formed from the reaction of Group 2 oxides with water become more?alkaline When the oxides are dissol...
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Group 2 Elements Reactions with water and oxygen The reaction of group 2 metals with oxygen follows the following general equation: 2M (s) + O2?(g) → 2MO (s) Where M is any metal in group 2 ...
Ionisation Energy Chemical trends All elements in Group 2 (also called?alkali earth metals)?have two electrons in their?outermost principal quantum shell All Group 2 metals can form?ionic?co...
Writing Chemical Formulae Oxidation numbers are a useful tool for naming compounds as some elements can exist with more than one oxidation number For compound with two elements it is straigh...
Disproportionation Disproportionation reactions A?disproportionation?reaction?is a reaction in which the same species is simultaneously oxidised and reduced Example of a disproportion reacti...
Electron Transfer & Change in Oxidation Number Oxidation and reduction in a reaction can be demonstrated in terms of electron transfer For example: 2NH3?+ 3Br2?→ N2?+ 6HBr The oxidation ...
Defining Oxidation Number There are three definitions of?oxidation?and?reduction? used in different branches of chemistry Oxidation?and?reduction?can be used to describe any of the following...
