Thursday, June 20, 2024

Classification of Elements and Periodicity NEET Chemistry MCQ - Test3

1. Which of the following elements has the highest first ionization energy?

Li
Na
K
Rb
2. In the modern periodic table the element with atomic number 117 is expected to be a member of which group?
Group 15
Group 17
Group 18
Group 16
3. Which element in the third period has the highest electronegativity?
Na
Mg
Cl
Ar
4. Which of the following elements has the smallest atomic radius?
Li
Be
C
N
5. The electron affinity of which of the following elements is the most negative?
O
S
Se
Te
6. Which of the following elements has the highest metallic character?
Li
Be
B
C
7. Which period 4 element has the highest electron affinity?
K
Br
Kr
Ca
8. Which group in the periodic table contains elements with the highest second ionization energy?
Group 1
Group 2
Group 17
Group 18
9. The element with atomic number 57 belongs to which block in the periodic table?
s-block
p-block
d-block
f-block
10. Which element has the highest number of unpaired electrons in its ground state?
Fe
Co
Ni
Cr






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