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# Classify the following measures as scalars and vectors. $10^{-19}$coulomb

This question has multiple parts. Therefore each part has been answered as a separate question on Clay6.com

Toolbox:
• A scalar quantity has only magnitude.
• A vector quantity has both magnitude and direction.
step 1:
We are asked to classify if $10^{-19}$coulomb is a vector quantity or a scalar quantity.
Clearly $10^{-19}$ coulomb represents only the measure of the change and not its direction.
Step 2:
Hence it is a scalar quantity.