Rutherford’s ‘alpha (α) particles scattering experiment’ resulted in the discovery of
Anonymous Quiz
46%
Nucleus in atom
30%
Nucleus in molecule
20%
Electron
4%
None
The ion of an element has 3 positive charges. Mass number of the atom is 27 and the number of neutrons is 14. What is the number of electrons in the ion?
Anonymous Quiz
26%
13
51%
10
18%
14
5%
16
How many electrons are present in M-shell of an element with atomic number 20?
Anonymous Quiz
10%
5
55%
8
19%
12
17%
18
The ion of an element has 3 positive charges. Mass number of the atom is 27 and the number of neutrons is 14. What is the number of electrons in the ion?
Anonymous Quiz
23%
13
57%
10
16%
14
3%
16
Watch 👇 Full Chapter
👉Chapter 1: Laws Of Motion - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0Sb0hB6EF9h4x2hvSBCGtxh
👉Chapter 2: Work and Energy - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0QzQLlqO-eAlnZhlg2kCN4e
👉Chapter 3: Current Electricity - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0Sce6Mory46MXl2DspvQ5kB
👉 Chapter 4: Measurements of matter - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0R8Yh5ZudA0-0JXWpI160w2
👉 Chapter 5: Acid Bases and Salts - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0QqpDb6-QiFLFfyAviFVLXV
👉Chapter 6: Classification Of Plants - https://youtu.be/hDEf-o34QPk
👉Chapter 7: Energy Flow In Ecosystem - https://youtu.be/KtcbGPChui8
👉Chapter 8: Useful And Harmful Microbes https://www.youtube.com/playlist?list=PL1ZbOGEd1c0QFhMTrQheMwWjxS8J-zf4W
👉Chapter 9: Environmental Management - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0TktdCj8K6VUEN4m6g_CpRP
👉Chapter 10: ICT - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0QdubLmscM2yhwHtR83zy0V
👉Chapter 11: Reflection of Light - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0QyQWvuG7o6GvsOGWCr9cWz
👉Chapter 12: Study Of Sound - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0Q0kI-qO6u3tgZscTbWgIpG
👉Chapter 13: Carbon: An Important Element - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0Td0IOL_6ey-7cffDWSv67O
👉Chapter 14: Substance In Common Use - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0SuK7EOQqqUdKu_GMni6rX7
👉Chapter 15: Life Process - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0TXrrG43xA2NhgrderVVnT7
👉Chapter 16: Heredity and variation - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0Rp-8VCN552U91AaPr8WAo0
👉Chapter 17: Introduction to Biotechnology - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0R1YJ9zisOPKPijT4SNRe1u
👉Chapter 18: Observing Space: Telescope - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0QNFadDnCBcdfdnyts_JXkt
👉Chapter 1: Laws Of Motion - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0Sb0hB6EF9h4x2hvSBCGtxh
👉Chapter 2: Work and Energy - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0QzQLlqO-eAlnZhlg2kCN4e
👉Chapter 3: Current Electricity - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0Sce6Mory46MXl2DspvQ5kB
👉 Chapter 4: Measurements of matter - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0R8Yh5ZudA0-0JXWpI160w2
👉 Chapter 5: Acid Bases and Salts - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0QqpDb6-QiFLFfyAviFVLXV
👉Chapter 6: Classification Of Plants - https://youtu.be/hDEf-o34QPk
👉Chapter 7: Energy Flow In Ecosystem - https://youtu.be/KtcbGPChui8
👉Chapter 8: Useful And Harmful Microbes https://www.youtube.com/playlist?list=PL1ZbOGEd1c0QFhMTrQheMwWjxS8J-zf4W
👉Chapter 9: Environmental Management - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0TktdCj8K6VUEN4m6g_CpRP
👉Chapter 10: ICT - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0QdubLmscM2yhwHtR83zy0V
👉Chapter 11: Reflection of Light - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0QyQWvuG7o6GvsOGWCr9cWz
👉Chapter 12: Study Of Sound - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0Q0kI-qO6u3tgZscTbWgIpG
👉Chapter 13: Carbon: An Important Element - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0Td0IOL_6ey-7cffDWSv67O
👉Chapter 14: Substance In Common Use - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0SuK7EOQqqUdKu_GMni6rX7
👉Chapter 15: Life Process - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0TXrrG43xA2NhgrderVVnT7
👉Chapter 16: Heredity and variation - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0Rp-8VCN552U91AaPr8WAo0
👉Chapter 17: Introduction to Biotechnology - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0R1YJ9zisOPKPijT4SNRe1u
👉Chapter 18: Observing Space: Telescope - https://www.youtube.com/playlist?list=PL1ZbOGEd1c0QNFadDnCBcdfdnyts_JXkt
👍4