Alaa

naturally occuring chlorine is composed of 35CL with atomic mass of 34.969 37CL with atomic mass of 36.966 the average atomic mass id 35.453 what are the percantages of each isotope in naturally occuring chlorine ?

18 r4

Huhuhuhuhu me too

Drwls is incorrect as 425/10 is 42.5 NOT 4.25! Also the measure for wave speed MUST be in m/s. Other than that it is correct.

Unite 12 answer

Unite 12 answer I want PDF of level b

C5H12

Very good

1. Clean. 2.yes. 3.search 4.

I also think its d

A foam ball of mass 0.150 g carries a charge of -2.00 nC. The ball is placed inside a uniform electric field, and is suspended against the force of gravity. What are the magnitude and direction of the electric field? A) 573 kN/C down B) 573 kN/C up C) 735...

A girl of mass 62kg ran up a flight 12steps each 7cm high of 5seconds the power she used[g=10ms-2]