Answer:
12. 2 protons and 2 neutrons
13. decreased by 2
14. Energy
15. None
16. I believe is also none
17. None
Sorry but its about 3: 52 am and a bit sleepy.
Hope these are good answers for you!
Explanation:
Solute is the term used for a substance being dissolved in a solution.
Modeling for chemistry is periodic table of elements during high school
Answer is: a. The storm damaged the air conditioner.
Because air conditioner is outside, storm could damage it.
There is not enough information that the make and model of the air conditioning unit is not compatible for his house, that David has been using his air conditioner too much or the air conditioner was vandalized.
Answer:
This is true because oxygen belongs to the non-metal part of the periodic table.