Answer:
The order of elements by volume-fraction (which is approximately molecular mole-fraction) in the atmosphere is nitrogen (78.1%), oxygen (20.9%), argon (0.96%), followed by (in uncertain order) carbon and hydrogen because water vapor and carbon dioxide, which represent most of these two elements in the air, are variable.
I copied and pasted but I hope this information is helpful :)
Answer:
a, b
Explanation:
Electrolytes dissociate to make ions, because of it they conduct electricity.
I could not break unless you hit it with a sledge hammer
I'd say he ways about 35 kilograms, but I'm probably wrong, xD
1.3 x 10^21 atoms Na is 4.63230769231 mol Na
4.63230769231 mol Na * 23g/mol Na = 106.543076923g
