Answer:
false it's 24 hours long.
No of Neutrons =Mass No-No of protons


- Hence it has atomic no 38
The element is Stroncium(Sr)
It turns chemical into electricity
Answer: Barium is +2, Fluorine is -1
Explanation:
The charge of barium is +2, and the charge of fluorine is -1. You can determine this from the periodic table groups.
The formula for barium fluoride is thus BaF2.