Answer:lanthanides is the answer and here is a picture for proof
Explanation:
Individual atoms of each element all have an equal number of protons and neutrons. Only the number of electrons may vary. t or f
2 answers:
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Answer:
Work done, W = 100 J
Explanation:
We have, Billy the friendly Robot uses 50 N of force to lift a box 2 meters in the air.
It is required to find the work done by Billy.
Work done by an object is given in terms of force and displacement. The formula used to find the work done is given by :
So, the work performed by Billy is 100 J.