Answer:
You take the atomic, or proton number of the element, and you subtract it from the element's mass number.
Answer:
4.64 grams.
Explanation:
without stating a desired unit, stating the answer in any unit is acceptable. So you can use grams and the problem is done for you
25 gigaseconds is equal to 2,500,000,000,000 centiseconds
The crushed tablets would stop bubbling/fuzzing first because it has a smaller surface area which means that it would dissolve before the uncrushed tablets which has a larger surface area.