Chemistry Chapter 3 Mock Test

Elements are arranged in strict sequence of ________ in a period.

Most important active step in the development of the periodic table was taken by

Atomic radius of elements of which of the following series would be nearly the same?

Which among these species is smallest?

How is the electron affinity for the inert gases?

Which one of the following possess the highest first ionization energy?

Identify the element that does not occur in liquid form

Which of the following pair of atomic numbers represents s-block elements?

Identify the correct statement from the following statements.

Which one of the following species possess the lowest ionization potential?

Identify the element with the highest electropositivity.

1s², 2s²p⁶, 3s²p⁶d¹⁰, 4s²p³ is the electronic configuration of an atom. The chemistry of A is thus likely to be similar to that of

Identify the most common lanthanide.

Electron affinity of

Statement 1 : The atomic no. of the element ununbium is 112.

Statement 2 : Name for digits 1 and 2 is un- and bi- respectively in the latin words

Which of the following is largest?

Arrange S, O and Se in the ascending order of electron affinity.

Which of the following ion possess the greatest radius in the following?

Identify the most basic element.

The attraction that an atom exerts on the pair of electrons that are being shared between that atom and another atom to which it is bonded by the covalent bond is described as its

Which one of the following gaseous atoms possess highest value of ionization energy?

Statement 1 : LiCI is predominantly the covalent compound.

Statement 2 : Electronegativity difference in between Li and Cl is too small.

Which one of the following sets are correct with reference to concept of ionization potential?

Statement 1 : First I. E for nitrogen is lower than that of oxygen

Statement 2 : Across a period effective nuclear charge decreases.

Which is largest in size?

Find the element or elements whose position is anomalous in the periodic table.

d-block elements contains mostly of

What is an Astatine?

Which of the following indicates the correct order of the atomic size?

Elements snowing following atomic numbers belong to same group

The ionization potential of hydrogen from ground state to the first excited state is

Which of the following species has maximum size?

A sodium cation possess a different no. of electrons from

Elements are arranged in in the modern periodic table.

Identify the process requiring the absorption of energy.

An atom of an element possess electronic configuration 2.8. 1. Identify the correct statement.

Last element of group-IV is

An atom with high electronegativity possess

Which one of the following elements will possess the lowest electron affinity?

The electronegativity _______ in C, N, O and F.

Which of the following does not have electronegativity \( \ge \)   3.0 On Pauling scale?

Which one of the following ions possess the smallest radius?

The polarizing ability is the highest for

Which of the following properties do not changed on descending a group in the periodic table?

For which of the following, ionization potential is the lowest?