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# Long description

The seven boxes are shown as in Figure 9, each box containing an individual word, and various boxes linked by lines. They are arranged with ‘atom(s)’ in the centre and the other words placed around it. At the top is ‘water’ and moving clockwise, the boxes are ‘electron(s)’, ‘hydrogen’, ‘oxygen’, ‘bond(s)’, and ‘molecule(s)’. The following bracketed words describe the placement of arrows and the text written on them. Around the outside an arcing line goes anticlockwise from ‘water’ to ‘oxygen’ (‘molecules contain 1 atom of’) and then on to ‘hydrogen’ (‘is covalently bonded with’). A straight line goes down to the right from ‘water’ to ‘hydrogen’ (‘molecules contain 2 atoms of’). Running next to the first arcing line, a line goes from ‘water’ to ‘molecule(s)’ (‘is a’) and on to ‘bond(s)’ (‘held together by’), then ‘atom(s)’ (‘hold together’) and ‘electron(s)’ (‘have’). A line goes from ‘hydrogen’ to ‘electron(s)’ (‘has 1’), and finally, a line goes directly from ‘electron(s)’ to ‘bond(s)’ (‘are shared in covalent’).