Classification of Elements – Periodic Trends (Atomic Radius, IE, EA, EN)
Chemistry · Grade 11 · Week 8 · 25 questions
This Grade 11 chemistry chapter on Classification of Elements introduces Periodic Trends (Atomic Radius, IE, EA, EN). Clear understanding here pays off in competitive exams (JEE/NEET) where speed matters.
What you'll practise
- Calculate Periodic Trends (Atomic Radius, IE, EA, EN)
- Work through NCERT intext examples and exercise questions for classification of elements
- Apply classification of elements concepts to NCERT exercise and exemplar problems
All 25 questions in this Classification of Elements – Periodic Trends (Atomic Radius, IE, EA, EN) quiz
Grade 11 Chemistry — Classification of Elements – Periodic Trends (Atomic Radius, IE, EA, EN): 25 practice questions with instant scoring and explanations.
- Atomic radius along a period (left to right):
- Atomic radius down a group:
- Reason for decrease in radius along period:
- Reason for increase in radius down a group:
- Cation is ___ than parent atom:
- Anion is ___ than parent atom:
- Order of radii: Na⁺, Mg²⁺, Al³⁺ (isoelectronic):
- First ionization enthalpy (IE₁) is:
- IE along a period:
- IE down a group:
- IE order: Li, Be, B, C:
- IE of Be > B because:
- IE of N > O because:
- Successive ionization energies:
- Element with highest IE₁ in period 2:
- Electron gain enthalpy (ΔH_eg) is:
- ΔH_eg of halogens is:
- ΔH_eg of noble gases:
- Which has more negative ΔH_eg: Cl or F?
- Electronegativity (EN) is:
- Pauling's scale max EN is for:
- EN order: F, Cl, Br, I:
- Metallic character along a period:
- Metallic character down a group:
- Most metallic element is:
Question 1 of 250 correct so far