6. The atom is made up of three small particles, complete the chart below:
|Parts of the atom||Location||Particle size||Electric charge|
7. Complete the following chart, use your periodic table to help you.
|Symbol||Element name||Atomic number||Atomic mass||# of protons||# of neutrons||# of electrons||Solid, liquid or gas|
|Type of elements present||Number of atoms of each element|
|Malleability and ductility|
|Colour and State|
i) noble gases (reactive or non-reactive) ? why:
ii) alkali metals (reactive or non-reactive) ? why:
iii) halogens (reactive or non-reactive) ? why:
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