El oxigeno esta formado por tres isotopos cuyo porcentajes son: 99.759% de O , 0.037% de O y 0.204 de O sus masas nuclidas son respectivamente: 15.995 , 16.991 , 17.991 calcular el peso atomico del oxigeno

b. acid is the correct answer @jayxboof all social media

acid : acids are those which accepts an electron-pairs.

base : bases are those which donates ab electron-pairs.

alkali : it is a base that dissolves in water. it is basically a base and the ph greater than 7.

hydroxide ion : it is a poly-atomic ion which is negatively charged.

the answer is 303.15 or 303