Exercises
Maharashtra Board General Science Solutions for Exercises
Simple step-by-step solutions to Exercises questions of Inside the Atom from General Science. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Exercises with Hints & Solutions
Define moderator in nuclear reactor.

Fill in the blank with the correct word given in the bracket. (molecular particles/ sub-atomic particles)
Electrons, proton, neutron are the types of _____ in an atom.

An electron carries a _____charge.

The electron shell _____ is nearest to the nucleus.

The electronic configuration of magnesium is From this it is understood that the valence shell of Magnesium is_____.

The valency of hydrogen is 'one' as per the molecular formula . Therefore valency of 'Fe' turns out to be_____ as per the formula .

Match the pairs.
Group A | Group B |
a. Proton | i. Negatively charged |
b. Electron | ii. Neutral |
c. Neutron | iii. Positively charged |

Deduce from the datum provided.
