4 marksPeriod 3: Sodium to Argon
CAPE Chemistry Unit 1 · 2008 · Paper 2 · Question 6(a)(i)
This section covers the chemistry of elements, focusing on Period 3 elements and Group II elements. Table 3 provides atomic radii and melting points for Period 3 elements.
State and account for the trend in the values of the atomic radii across the period from Na to Cl.
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