Answer:
A
Explanation:
The group number of an element is equal to the number of electrons the outermost shell (or highest energy level) contains
Answer:

Explanation:
By the First Law of Thermodynamics, the piece of metal and water reaches thermal equilibrium when water receives heat from the piece of metal. Then:




The surface would be flat
Viscosity is basically how thick a liquid is so pancake syrup would be the answer
Answer:
Density is mass over volume.
Explanation: