UNIT 3: Periodic Classification Of Elements - Online Test

Q1. What would be the IUPAC name for an element with atomic number 222?
Answer : Option D
Explaination / Solution:
No Explaination.


Q2. The electronic configuration of the elements A and B are 1s2, 2s2, 2p6,3s2 and 1s2, 2s2, 2p5 respectively. The formula of the ionic compound that can be formed between these elements is
Answer : Option B
Explaination / Solution:
No Explaination.


Q3. The group of elements in which the differentiating electron enters the anti penultimate shell of atoms are called
Answer : Option D
Explaination / Solution:
No Explaination.


Q4. In which of the following options the order of arrangement does not agree with the variation of property indicated against it?
Answer : Option A
Explaination / Solution:
No Explaination.


Q5. Which of the following elements will have the highest electronegativity?
Answer : Option D
Explaination / Solution:
No Explaination.


Q6. Various successive ionisation enthalpies (in kJ mol-1) of an element are given below.


The element is       

Answer : Option C
Explaination / Solution:
No Explaination.


Q7. In the third period the first ionization potential is of the order.
Answer : Option B
Explaination / Solution:
No Explaination.


Q8. Identify the wrong statement.
Answer : Option A
Explaination / Solution:
No Explaination.


Q9. Which one of the following arrangements represent the correct order of least negative to most negative electron gain enthalpy
Answer : Option D
Explaination / Solution:
No Explaination.


Q10. The correct order of electron gain enthalpy with negative sign of F, Cl, Br and I having atomic number 9, 17, 35 and 53 respectively is
Answer : Option C
Explaination / Solution:
No Explaination.