Periodic Table and Periodicity · Chemistry · MHT CET
MCQ (Single Correct Answer)
Which of the following elements has highest electronegativity?
Which of the following elements has highest electronegativity?
Which is the correct increasing order of atomic radii of $\mathrm{Na}, \mathrm{K}, \mathrm{Mg}, \mathrm{Rb}$ ?
Identify isoelectronic pair from following.
Which of the following elements belongs to second group and fifth period of periodic table?
Which element from following has largest atomic size as compared to other three?
If four different elements A, B, C and D having electronic configuration as $\mathrm{A}=[\mathrm{Ne}] 3 \mathrm{~s}^2 3 \mathrm{p}^4$, $B=[\mathrm{Ne}] 3 \mathrm{~s}^2 3 \mathrm{p}^5, \mathrm{C}=[\mathrm{Ar}] 3 \mathrm{~d}^{10} 4 \mathrm{~s}^2 4 \mathrm{p}^4$ and $\mathrm{D}=[\mathrm{Ar}] 3 \mathrm{~d}^{10} 4 \mathrm{~s}^2 4 \mathrm{p}^5$.
Identify the element with largest atomic radius.
Which from following elements has highest value of ionization enthalpy $\left(\Delta_{\mathrm{I}} \mathrm{H}_1\right)$ ?
Which among the following elements has highest electronegativity?
Which of the following elements belongs to first group and fifth period of periodic table?
Identify the element having lowest first ionization enthalpy.
What is the value of electronegativity of oxygen?
Identify the element with lowest electronegativity.
Identify the element having positive electron gain enthalpy.
Which from following is a correct decreasing order of ionisation enthalpy for different elements?
Which from following series of elements is correctly arranged according to their decreasing order of ionisation enthalpy $$\left(\mathrm{IE}_1\right)$$ ?
Identify FALSE statement from following.
Which from following elements belongs to group 17 of periodic table?
What is the position of copper in long form of periodic table?
Which from following is a CORRECT decreasing order of ionization enthalpies of different elements?
What is the position of transition elements from $$\mathrm{Sc}$$ to $$\mathrm{Zn}$$ in long form of periodic table?
Which group elements from following are called as chalcogens?
Identify the element having general electronic configuration $$\mathrm{ns}^2 \mathrm{np}^4$$ from following.
Which element from following is a soft element?
Identify the use of mixture of $$\mathrm{Ar}$$ and $$\mathrm{N}_2$$ from following.
Which among the following oxides is acidic in nature?
Which among the following formulae is correctly represented according to stock notation?
Identify amphoteric oxide from following.