2.0 g 1.0g 0.5g 0.25g
3 and a half lives = 42 days
265
your answer would be 265. Because the charge of +1 means there is one more proton then electron. So, 108 protons plus 157 neutrons gives you your mass number of 265.
Answer:
-1
Explanation:
Many of the common polyatomicions have an electrical charge of.
Answer:
Food
Explanation:
Food is likely to stay solid at room temperature
