<span>the following element that is most reactive </span>would be Fluorine
B
mass of solute - 4.0 g
mass of solution - 100g + 4.0g = 104g
4/104 = 0.03846
0.03846 • 100 = 3.8%
B, they belong to group 1
A: Li is period 2 and Na is period 3
C: Na has one more electron shell
D: Not related to how it is spelled
The unit 'kJ' or kilojoules is a unit of measurement for energy. It is equivalent to the SI units kg·m²/s². When energy is divided with time, that unit is now in terms of work, which energy per unit time. The parameter kJ/s is equivalent to kW or kilowatts.
Work = 35,000 kJ/0.250 s = <em>140,000 kW</em>
Answer:
C.If one light in the string burns out in a parallel circuit, the rest of the lights will continue to shine.