When the oceans first formed were they salty

Answer 1

Have a look at,

http://www.palomar.edu/oceanography/salty_ocean.htm

I am not sure what grade you are at. You might also find this of interest, particularly Figure 4.

http://www.whoi.edu/cms/files/msaito/2005/3/Saito_ICA_2003_1802.pdf