If the ratio of mass to volume is higher, then density is higher. If the ratio of mass to volume is lower, the density is lower.
In order to find out how many protons a sodium atom has, you have to look at the periodic table. Sodium is Na on the periodic table and you look for the number on the top of the symbol and you can see that it has 11 protons. To find out how many neutrons, you have to subtract 11 from the mass number, which is 23. 23-11 = 12.
12 neutrons; 11 protons
Edit : OPTION C is the answer
Option B is the best, Even though the cost is 30 Billion it essentially takes Lesser time to construct. For Plan A, They would have to construct the overground railway and then take a lot of time and effort to create wildlife corridors and then plant trees. Plan B takes much less time compared to plan A and might as well have a lesser impact on the environment!
Answer:
5.313 L is the average volume of pollutant reported by chemical engineer:
Explanation:
Volume of pollutant from Lincoln = 0.52 L
Volume of pollutant from Pinecrest = 9.777 L
Volume of pollutant of Pitt = 5.643 L
Average volume of pollutant reported by chemical engineer:
