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CAIE A-Level Chemistry AS 3.1.2 Factors Influencing the Electronegativities Questions

Practise explaining how nuclear charge, atomic radius and shielding by inner shells and sub-shells affect the electronegativities of elements in CAIE 9701 AS questions.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • Explain electronegativity using nuclear charge, atomic radius, and shielding by inner shells and sub-shells.

CAIE A-Level Chemistry AS 3.1.2 Factors Influencing the Electronegativities Questions question 1

[Maximum number: 2]

The melting points of some solids are shown in Table 1.1.

Table 1.1

Table 1.1

Explain why electronegativity increases across a period.

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