Answer:
A. The cost of producing a kilowatt of power with fuel cell will be less than $30 in 2015
By scientific question, it really just means create a normal question. The example would be:
How will gas be affected if the temperature in an enclosed container is to be changed?
There are mannnyyy ways how to write a question for this, you just have to make sure you write what you are changing and how you are changing it, oh and make it sound smart haha.
A covalent bond? Not sure how much detail you want, sorry
D, since it can hold up to 10 electrons
What I think is the charge of nucleus is the proton+neutron
