what is electron, proton and nutron.and what is the structureof atom and molecules.
Devnashu , 7 Years ago
Grade 9
9 grade science> what is electron, proton and nutron.and w...
1 Answers
Sarim Islam
Last Activity: 7 Years ago
Electron-a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
Proton-a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron.
Neutron-a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
Provide a better Answer & Earn Cool Goodies
Enter text here...
LIVE ONLINE CLASSES
Prepraring for the competition made easy just by live online class.
Full Live Access
Study Material
Live Doubts Solving
Daily Class Assignments
Ask a Doubt
Get your questions answered by the expert for free
Enter text here...
Other Related Questions on 9 grade science
a car travels half distance with the speed of 20m/s and next half distance travel with 30 m/s , the average speed of the car is
9 grade science
1 Answer Available
Last Activity: 2 Year ago(s)
A hockey ball of mass 200g travelling from west to east at 10m//s is struck by a hockey stick. As a result, the ball gets turned back and now has a speed of 5m//s. If the ball and hockey stick were in contact for 0.2s, Calculate (i) initial and final momentum of the ball (ii) rate of change of momentum of the balll (iii) force exerted by hockey stick on the ball.
9 grade science
1 Answer Available
Last Activity: 2 Year ago(s)
Which step is not involved in the carbon-cycle ?
9 grade science
1 Answer Available
Last Activity: 2 Year ago(s)
Draw a neat labelled diagram of a vernier callipers.
9 grade science
1 Answer Available
Last Activity: 2 Year ago(s)
Why are lead compounds are added to petrol? How is it harmful?
9 grade science
1 Answer Available
Last Activity: 2 Year ago(s)