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Graphite consists of carbon atoms joined together. Since carbon has 4 unpaired electrons in it's outer shell, it can form a maximum of 4 covalent bonds by sharing each of it's unpaired electrons with anot...
This is a nice simple calculation question which explores some basic thermodynamic principles and begins to apply them to simple reactions (in this case, solid salt dissolving in water) allowing predictio...
React a sample of each compound with Tollens reagent. The aldehyde (propanal) will be oxidised to a carboxylic acid (propanooic acid) and will form a silver mirror. No change will be observed with the ket...
Exothermic and Endothermic are opposite reactions. All reactions need energy to be put in to start them off, this is called the activation energy, but th...
Lithium oxide has the formula Li2O. It has an ionic structure as it is formed from a metal and a non-metal. It has lithium ions with a +1 charge, as lithium is found in Group 1 of the periodic ...
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