Answer:
Beta rays are electrons.
Explanation:
A neutron in the nucleus of a radioactive atom decays into a proton and an electron, which is emitted from the atom.
Heat moves through conduction, convection and radiation.
Because at atmospheric pressure the boiling point is below room temperature, just like Oxygen, Nitrogen etc
Answer: False
Explanation: adding heat to matter results in thermal energy.
<span>It's because the product formed with BF3 is more complex which able to decompose AlF3.
</span>AlF3 doesn't dissolve in HF because of the fluorine. It's doesn't allow for coordination due to the hydrogen. However, it will dissolve in KF. If you look at the chemical reaction, it's able to form a salt.
<span>3KF+Al<span>F3</span>−>3KF.Al<span>F3</span></span>