Periodic Table and Periodicity · Chemistry · MHT CET

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.