1. an alpha particle
gamma rays are formally massless, positrons and electrons (beta particles) have negligible mass, but alpha particles have about 4 amu of mass
Allelopathy, the pine needles make the ground more acidic so weeds cannot grow and steal nutrients the tree needs
Answer:
In both cases, that is the mass of 6.02 × 1023 representative particles. The representative particle of CO2 is the molecule, while for Na2S, it is the formula unit.
Explanation:
<em>Your answer is:</em>
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The first level (or shell) can hold up to 2 electrons.
<h3>Hope this helps! C:</h3>
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The answer is b
the slow down because of the change of form into solid and they pack together to form the solid