Answer:
Sodium has 1 valence electron and bismuth has 83 electrons (5 valence electrons)
Explanation:
Answer:
I'm sure it's option A. Cast Fossil
we have
work done (W)= force(F) × displacemen(s)
or, 80= F× 8
or, F= 10 N
therefore, 10 N force is required to lift the rock.
metal rusting in salt water
It's a thermodynamic quantity equal to the enthalpy minus the product of entropy and the absolute temperature
