Answer:
scale. Mercury thermometers can be used to determine body, liquid, and vapor temperature.
Answer:
B I think I am pretty sure
Ions are stable atoms of elements formed when original atoms loose or gain electrons to form stable configuration. Anions are negatively charged ions formed when atoms gain electrons while cations are the positively charged ions formed when atoms loose electrons. In this case a charge of +1 means an atom lost one electron to form a stable configuration. Therefore, the correct answer is A
The unit of momentum is the product of the units of mass and velocity.