MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
CBSE
Class 9 Science
Structure Of The Atom
Quiz 4
1
2
3
4
5
The correct setoff quantum numbers for the unpaired electron of scandium (Z = 21) is:
0%
3, 2, 3, ±1/2
0%
4, 2, 2, ±1/2
0%
3, 2, -2, ±1/2
0%
3, 1, 1, ±1/2
Which of the following elements does not exhibit the electrovalencey?
0%
Chlorine
0%
Calcium
0%
Carbon
0%
Sodium
While performing cathode ray experiments, it was observed that there was no passage of electric current under normal conditions. Which of the following can account for this observation?
0%
Dust particles are present in air
0%
Carbon dioxide is present in air
0%
Air is a poor conductor of electricity under normal conditions
0%
One of the above
How many electrons in a Hydrogen (H) atom:
0%
one
0%
two
0%
four
0%
three
The charge on an electron is equal to:
0%
1. 6 × 10C of -ve charge
0%
2. 6 × 10C of -ve charge
0%
(i) and (ii)
0%
None of the above
Explanation
1. 6 × 10C of -ve charge
0 h : 0 m : 1 s
1
2
3
4
5
0
Answered
0
Not Answered
0
Not Visited
Correct : 0
Incorrect : 0
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page