The first ionization enthalpy (Δ_i H ) values of the third period elements, Na, Mg and Si are respectively 496,

# Ask a Question

### Question Asked by a Student from EXXAMM.com Team

Q 3005345268.     The first ionization enthalpy (Δ_i H ) values of the third period elements, Na, Mg and Si are respectively 496, 737 and 786 kJ mol^(–1). Predict whether the first Δ_i H value for Al will be more close to 575 or 760 kJ mol^(–1)` ? Justify your answer.

#### HINT

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

#### Access free resources including

• 100% free video lectures with detailed notes and examples
• Previous Year Papers
• Mock Tests
• Practices question categorized in topics and 4 levels with detailed solutions
• Syllabus & Pattern Analysis