Answer:
Approximately 0.39 g or 0.4 g if you're rounding up
Explanation:
15/3.82 = 3.92
Let's round that up to 4
That means 15 days is around 4 half lives
4 half lives means 1/16 of the original mass will be left
25/16 = 0.390625
Answer: It is the number in the upper left (atomic number).
Explanation: The atomic number is normally the number of protons. I hope this helps.
Sodium chloride has a high meltint point because of the strong electrostatic attraction between its positive and negative ions.
It seems that you have not added the necessary options for us to answer this question so I had to look for it. But anyway, here is the answer. The characteristic that is NOT used <span>to categorize different types of landforms is this: a natural physical feature of the Earth's surface. Hope this answer helps.</span>
