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

a. Proton is positively charged. Protons are present inside the nucleus of an atom. They are bound in the nucleus closely. b. Electron is negatively charged. Electrons are usually present outside the atom nucleus. It revolves around the nucleus of an atom in a discrete orbit. c. Neutron is neutral. Neutrons are present in an atom nucleus. They are bound in the nucleus closely. Proton, electron and neutron are sub-atomic particles present in an atom. Group A Group B a. Proton iii. Positively charged b. Electron i. Negatively charged c. Neutron ii. Neutral

E M B I B E

General Science>Chapter 5 - Inside the Atom>Exercises

Maharashtra Board Solutions for Chapter: Inside the Atom, Exercise 14: Exercises

Author:Maharashtra Board

Maharashtra Board General Science Solutions for Exercise - Maharashtra Board Solutions for Chapter: Inside the Atom, Exercise 14: Exercises

Attempt the practice questions on Chapter 5: Inside the Atom, Exercise 14: Exercises with hints and solutions to strengthen your understanding. General Science solutions are prepared by Experienced Embibe Experts.

Questions from Maharashtra Board Solutions for Chapter: Inside the Atom, Exercise 14: Exercises with Hints & Solutions

EASY

8th Maharashtra Board

IMPORTANT

General Science>Chapter 5 - Inside the Atom>Exercises>Q 3

Define moderator in nuclear reactor.

EASY

8th Maharashtra Board

IMPORTANT

General Science>Chapter 5 - Inside the Atom>Exercises>Q 5

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.

EASY

8th Maharashtra Board

IMPORTANT

General Science>Chapter 5 - Inside the Atom>Exercises>Q 5

An electron carries a _____charge.

EASY

8th Maharashtra Board

IMPORTANT

General Science>Chapter 5 - Inside the Atom>Exercises>Q 5

The electron shell _____ is nearest to the nucleus.

EASY

8th Maharashtra Board

IMPORTANT

General Science>Chapter 5 - Inside the Atom>Exercises>Q 5

The electronic configuration of magnesium is $2, 8, 2 .$ From this it is understood that the valence shell of Magnesium is_____.

EASY

8th Maharashtra Board

IMPORTANT

General Science>Chapter 5 - Inside the Atom>Exercises>Q 5

The valency of hydrogen is 'one' as per the molecular formula $H_{2} O$ . Therefore valency of 'Fe' turns out to be_____ as per the formula ${Fe}_{2} O_{3}$ .

EASY

8th Maharashtra Board

IMPORTANT

General Science>Chapter 5 - Inside the Atom>Exercises>Q 6

Match the pairs.