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Increasing acid concentration- increased number of reactant particles means they are more crowded so there is a greater chance of the particles collidingIncreasing temperature- reactant particles have mor...

Increasing the concentration of a reactant is the same as increasing the concentration of squash- there are more particles in a solution and in a given space. More particles mean that there is a greater c...

Alkane's are formed from carbon and hydrogen atoms, a compound known as a hydrocarbon, in single bonds. Alkenes are also hydrocarbons, but contain a double bond. In both compound...

First, work out where the electron transfer is going to happen. Because it's ionic bonding we know 1 atom will lose electrons, and 1 will gain them. By using the electron shell's...

Group 7 of the periodic table contains all the elements known as halogens. They all have 7 valence electrons (hence group 7!) in their outer shell (insert diagram or prop to show what the outer shell sign...