Rutherford postulated the existence of some neutral particle having mass similar to proton but there was no direct experimental evidence. Several theories and experimental observations eventually led the discovery of neutron.
To come up with the mass of the atom is you add the protons with the neutrons
so you have
60+89=149
Answer:
<u>Convection</u>
Explanation:
<u>Convection definition</u>:
the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.
<span>The center of hemoglobin is made of which of the following?
</span><span>amino acids</span>
The answer to the question is D
