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The course on time management is at Rs. 99 for only 1st ten students (90% off)
Link - https://bit.ly/3UPCFBX
Purchase if you really want to learn the ART of TIME MANAGEMENT
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
38%
13
24%
19
26%
10
13%
17
How many electrons are present in M-shell of an element with atomic number 20?
Anonymous Quiz
11%
5
55%
8
17%
12
17%
18
🤔1
Cathode rays consist of negatively charged particles known as ………………
Anonymous Quiz
66%
Electron
16%
Proton
15%
Neutron
3%
Nucleon