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Classification of Elements and Periodicity in Properties — BITSAT Chemistry PYQs

22 previous year questions from Classification of Elements and Periodicity in Properties with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

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Classification of Elements and Periodicity in Properties — BITSAT Chemistry PYQs

Electron affinity is positive, when

The ionic radii in (Ã…) of N ³⁻, O ²⁻ and F ⁻ are respectively.

How many elements are there in 6^ th period of periodic table?

Element with electronic configuration 1 s^2 2 s^2 2 p^63 s^2 3 p^6 3 d¹⁰ 4 s^2 4 p^6 4 d¹⁰ 5 s^2 5 p^3 belongs to the following group of the periodic table

The correct order of acidic strength :

Arrange the following ions in the order of decreasing X - O bond length, where X is the central atom

Two elements A and B have electronegativities 1 . 2 and 3 . 0 respectively. The nature of bond between A and B would be

Consider the following radioactive decays I. U 92 ⟶ - α 90 Th and II. 90 Th ⟶ - α Ra 88 In which case group of parent and daughter elements remains unchange

The decreasing order of the ionization potential of the following elements is

The element, with atomic number 118, will be

Cobalt (60) isotope is used in the treatment of :

Which of the following is a strong base?

The valency shell of element A contains 3 electrons while the valency shell of element B contains 6 electrons. If A combines with B , the probable formula of the compound formed wi

Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of the given atomic species?

The screening effect of d -electrons is

When the first ionisation energies are plotted against atomic number, the peaks are occupied by

The ions O ²⁻, F ⁻, Na ⁺, Mg ²⁺ and Al ³⁺ are isoelectronic. Their ionic radii show:

Which of the following does not have valence electron in 3 d -subshell?

The correct order of radii is

Which of the following pairs has both members from the same period of periodic table:

In the periodic table, with the increase in atomic number, the metallic character of an element

Which one of the following ions has the highest value of ionic radius?

Classification of Elements and Periodicity in Properties — BITSAT Chemistry PYQs

Electron affinity is positive, when

The ionic radii in (Ã…) of N ³⁻, O ²⁻ and F ⁻ are respectively.

How many elements are there in 6^ th period of periodic table?

Element with electronic configuration 1 s^2 2 s^2 2 p^63 s^2 3 p^6 3 d¹⁰ 4 s^2 4 p^6 4 d¹⁰ 5 s^2 5 p^3 belongs to the following group of the periodic table

The correct order of acidic strength :

Arrange the following ions in the order of decreasing X - O bond length, where X is the central atom

Two elements A and B have electronegativities 1 . 2 and 3 . 0 respectively. The nature of bond between A and B would be

Consider the following radioactive decays I. U 92 &#10230; - &#945; 90 Th and II. 90 Th &#10230; - &#945; Ra 88 In which case group of parent and daughter elements remains unchange

The decreasing order of the ionization potential of the following elements is

The element, with atomic number 118, will be

Cobalt (60) isotope is used in the treatment of :

Which of the following is a strong base?

The valency shell of element A contains 3 electrons while the valency shell of element B contains 6 electrons. If A combines with B , the probable formula of the compound formed wi

Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of the given atomic species?

The screening effect of d -electrons is

When the first ionisation energies are plotted against atomic number, the peaks are occupied by

The ions O ²⁻, F ⁻, Na ⁺, Mg ²⁺ and Al ³⁺ are isoelectronic. Their ionic radii show:

Which of the following does not have valence electron in 3 d -subshell?

The correct order of radii is

Which of the following pairs has both members from the same period of periodic table:

In the periodic table, with the increase in atomic number, the metallic character of an element

Which one of the following ions has the highest value of ionic radius?

Consider the following radioactive decays I. U 92 ⟶ - α 90 Th and II. 90 Th ⟶ - α Ra 88 In which case group of parent and daughter elements remains unchange