1 -- I
10 -- X
100 -- C
1000 -- M
hookes law gives the equation F=kx where F is the elastic force and k is the constant and x or small e is extension if we draw a graph you'll see that the graph increases by the same ratio every single time hence giving a straight line show that they are F and x are propotional to a certain limit
Some symbols are missing. I'm assuming you meant to put in a horseshoe symbol like so
If so, then the contrapositive of that would be
which is the final answer.
The tilde sign
means "not" so writing
means "not q" which is the complete opposite of q.
Sodium oxide is a simple strongly basic oxide. It is basic because it contains the oxide ion, O2-, which is a very strong base with a high tendency to combine with hydrogen ions. Reaction with water: Sodium oxide reacts exothermically with cold water to produce sodium hydroxide solution
