Work done = Force x Distance
Force = 10 lb = 44.5 N
Work Done = 44.5 N x 15 m
= 667.5 N-m
Elements with 7 valence electrons are extremely reactive, while elements with 8 valence electrons practically don't react at all.
This is caused by the fact that all molecules want to have 8 valence electrons; that's just the scientific fact. So, if an element already has 8 valence electrons, it doesn't need to react with anything. If the element only has 7 valence electrons, however, it really wants to react with something with 1 valence electron to get to that special number 8.
Answer:
false 20 n x 0.32 m = 6.4 J
Answer:

Explanation:
From the question we are told that:
Diameter 
Radius 
Potential 
Generally the equation for Potential on spere is mathematically given by

Therefore

Where

Therefore

