A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes

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Question 17
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The diagrams in Figure 1 show the sub-microscopic arrangements of particles in five different boxes, labelled A, B, C, D, and E. Each circle represents an atom; white circles represent atoms of one element, and solid black circles represent atoms of another element.

Sub-microscopic arrangements of particles in five boxes

Using Figure 1, identify:

a.

Which box represents a single, pure compound?

[1]
b.

Which box represents a mixture of elements?

[1]
c.

Which box represents a mixture of an element and a compound?

[1]

A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes Questions

  1. GCSE
  2. /Chemistry
  3. /A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes