Question in picture 2# answer with explanation and you’ll get brainlist

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate