It's A
a. the electron configuration of a noble gas.
<span>the speed of radio wave radiation is lower than infrared radiation</span>
Number of electron determine reactivity
Answer:
Absolute error 
% Error
5
Explanation:
The absolute error is the the difference in the measured value and the actual value of a quantity.
Here the actual value is
grams
The measured value is
grams
Absolute error

Percent error

Where AE stands for absolute error and AV stands for absolute value.

%