Po, (218, 84) - Alpha Particle (4, 2) = (218 - 4, 84 - 2) = <span>(214 , 82)</span>
(214 , 82) - 2Beta = (214, 82 - 2*(-1)) = (214 , 84)
Polonium has atomic number of 84.
So answer = Polonium-214
Answer:Barometer :
Barometer is a scientific device. It is used to measure air pressure in environment. Air pressure changes with distance upper and bottom sea level.
Barometer is also used for measure altitude.
Barometric pressure has main effects on water and atmosphere conditions.
Hence, Barometer is used to measure air pressure.
Explanation:
Answer:
2.1 °C/m
Explanation:
Hello, for this exercise, consider the formula:
Considering that the difference in the temperature is 0.284°C, and the given molality by:
Now, solving for 
, we get:
Best regards.
Answer: Heterogeneous Mixture
Explanation:
