CBSE Class 9 Answered
what are alpha particles
Asked by Shreyansh | 06 Jan, 2018, 11:10: AM
Expert Answer
Alpha particles are positively charged particles, having two protons and two neutrons and are identical to the nucleus of helium atom. They are spontaneously emitted by radioactive element.
Answered by Varsha | 06 Jan, 2018, 01:08: PM
Application Videos
-
Thomson's Model of an Atom
This video explains about Thomson's model of an atom. -
Thomson's Model of Atom
This video explains an Assertion and Reason Question based on Thomson's ...
Concept Videos
-
Subatomic Particles - Part 1
This video explains sub-atomic particles, i.e. proton, electron and neutron... -
Subatomic Particles - Part 2
This video explains Thomson's theory of an atom. -
Structure of Atom - Exam Decoded - 1
This video contains practice questions on sub-atomic particles and Thomson'...
CBSE 9 - Chemistry
Asked by shivalaxmi0205 | 08 Mar, 2023, 07:47: PM
ANSWERED BY EXPERTCBSE 9 - Chemistry
Asked by rekhachaturvedu422 | 01 Aug, 2022, 04:16: PM
ANSWERED BY EXPERTCBSE 9 - Chemistry
Asked by senniasamy | 10 Jan, 2022, 08:48: PM
ANSWERED BY EXPERTCBSE 9 - Chemistry
Asked by nathdarshana | 20 Nov, 2020, 07:03: PM
ANSWERED BY EXPERTCBSE 9 - Chemistry
Asked by fathima1012006 | 31 May, 2020, 10:44: AM
ANSWERED BY EXPERTCBSE 9 - Chemistry
Asked by panshulhanna18 | 29 Mar, 2020, 02:38: PM
ANSWERED BY EXPERTCBSE 9 - Chemistry
Asked by wbargayary | 26 Feb, 2020, 08:39: PM
ANSWERED BY EXPERTCBSE 9 - Chemistry
Asked by laldinmawia3 | 09 Oct, 2019, 07:51: PM
ANSWERED BY EXPERTCBSE 9 - Chemistry
Asked by patitapabana11 | 08 Oct, 2019, 05:21: PM
ANSWERED BY EXPERTCBSE 9 - Chemistry
Asked by amaryashko | 15 Sep, 2019, 05:23: PM
ANSWERED BY EXPERT
