The Answer is A
This is because sodium needs to give off one electron to be stable, form these options the only element that needs to take one electron to be stable is fluorine thus A is the answer
Human:
✧・゚: *✧・゚:* Answer: *:・゚✧*:・゚✧
✅ the first one
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Answer:
a) 32.09 kPa
b) 32.09 kPa
Explanation:
Given data:
rate constant 
initial pressure is = 32.1 kPa
half life of A is calculated as



for calculating pressure we have follwing expression


a) 
b) 
it does not freeze in the fridge, merely turns to a solid state. how long would depend on how warm it was before you put it in the fridge.