4He 2
7Li 3
12C 6
19F 9
16O 8
23Na 12
31P 15
35Cl 18
39K 19
32S 16

Stage in which a typical star has completely stopped fusion

The element that has the greatest electronegativity is

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .