Answer:
the vapor pressure of mercury at 322°C is 0.521 atm
Explanation:
Don’t have a calculator on me but multiply 6.02x10 to the 23rd power by 4.5
Answer: B
Your answer would be ecosystem because ecosystem is all the living things in an area interacting with all of the abiotic parts of the environment.
Average velocity is the change in distance divided by the time it takes to travel that distance. so the first one.
Answer:
helium
Explanation:
it has 8 valence electrons which fills its outer energy level making it have a stable arrangement of electrons hence least reactive
