Year 11 Final Chemistry Challenge Crossword

This is a list of elements in order of reactivity (10,6)
A covalent bond formed by the sharing of two pairs of electrons (6,4)
The technique used to separate substances that are insoluble in a particular solvent from those that are soluble
The elements found in Group 7 of the Periodic Table
The positive electrode in electrolysis
The element with the atomic number 6
The oxide, hydroxide or carbonate of a metal that will react with an acid to make a salt
The technique for separating soluble dyes in a mixture.
The negative electrode in electrolysis
A mixture of two or more elements where at least one of them is a metal
A soluble base whose solution has a pH above 7
The corrosion of iron
A positively charged particle found in the nucleus
A reaction in which oxygen is removed or electrons are gained
A substance made as a result of a chemical reaction
Easily ignited and capable of burning rapidly
A reaction that transfers energy to its surroundings
The reaction used in the oil industry to break down large hydrocarbons into smaller, more useful ones
A substance that speeds up a chemical reaction but is not used up
A substance made up of only one type of atom
A charged particle produced by the loss or gain of electrons
An uncharged particle found in the nucleus
A mixture that has been designed as a useful product