Science, Maths & Technology
Discovering chemistry
...composite of six images showing chemical elements, displayed in two rows of three.] Figure 2 Some chemical elements (a) aluminium, (b) sodium, (c) sulfur, (d) bromine, (e) chlorine, (f) copper. Note that sodium is extremely reactive and as shown here, it is kept under oil to prevent reaction with air or water What is the state of matter of each of the elements shown in...