Embibe Experts Solutions for Chapter: Structure of the Atom, Exercise 1: Exercise 1

Which of the following are the properties of an electron?

$1.$ Electron is a constituent of cathode ray.

$2.$ Electron is a negatively charged particle.

$3.$ The mass of the electron is equal to the mass of the proton.

$4.$ Electron is deflected by the electric field but not by the magnetic field.

Select the correct answer using the codes given below.

Ionic bond formation is-

Elements whose electronegativities are $1.2$ and $3.0$, bond formed between them would be:

An atom of carbon has $6$ protons. Its mass number is $12.$ How many neutrons are present in the atom of the carbon?

Which one among the following contains the most neutrons?

An element has the electronic configuration $1{\mathrm{s}}^2, 2{\mathrm{s}}^{2}2{\mathrm{p}}^6, 3{\mathrm{s}}^{2}3{\mathrm{p}}^2$. The number of valence electrons will be

Types of bonds present in ${\mathrm{K}}_4\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]$ molecule are

Which one of the following has odd electron bond?