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riana
Questions and answers by visitors named
riana
Questions (6)
the mass number of an element is 18 it contains 7 electrons what is the number of protons and neutrons in it what is atomic
2 answers
513 views
a car starts from rest , attains a velocity of 36kmph with an acceleration of 0.2m/s^2 travels 9km with this uniform velocity
6 answers
3,818 views
a bullet initially moving with a velocity 20m/s strikes a target and comes to rest after penetrating a distance 10cm in the
5 answers
660 views
1 a boy was employed on the understanding that he was to receive 'p' paise for everyday he worked and 'q' paise for everyday
1 answer
359 views
Why is it expected that 2/10 of the ejected electrons will cone from the n=1 shell, and 8/10 ofthe electron from the n=2 shell?
2 answers
747 views
a small airplane is dropping a probe in a remote area in antarctica in a narrowly specified location. the probe in a protective
2 answers
823 views
