Which of the following elements does not lose an electron easily? NA F MG AL

F

EXPLANATION

Among the given elements fluorine(F)can not lose electrons easily because of its high electron affinity, high nuclear charge and high electronegativity.

F

Explanation:

it won't lose electron , rather it would gain electron to complete its octate

Electronic Configuration of F = 2,7

So F will gain 1 electron

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

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