Shubham Jha - Class 9
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Hello dear learners of class 9th How are you?
Live Batch Chaiye?
Anonymous Poll
83%
Yes
17%
No
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
An atom with 3 protons and 4 neutrons will have a valency of
Anonymous Quiz
18%
3
34%
7
42%
1
7%
4
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
The cell organelle involved in forming complex sugars from simple sugars are
Anonymous Quiz
38%
Mitochondria
36%
Golgi apperatus
16%
Lysosome
9%
Rbc
👍2