Every time you see molecules, atoms, & particles think of avagadros #. (6.022 x 10^23)
Answer: 13.6 grams of H2O
Solution: (4.56x10^23) x (1 mol H2O/6.022x10^23) x (18 grams H2O/1 mol H2O) = 13.6 grams of H2O
Using dimensional analysis above makes these types of problems easy.
Answer:
a
Explanation:
because it works for radiations
Answer:
2 8 8 2 is a correct answer
The nucleus is made of protons and neutrons. It has a positive charge.