<h2>suspension should be correct
</h2>
<u>a suspension </u>
<em>the particles are big enough to settle </em>
<em>
</em>
<u>a colloid</u>
<em>the particles are too small to ever settle
</em>
<u>a solution
</u>
<em>homogeneous mixture of two or more substances</em>
<span>Answer is: atomic number
of resulting atom is 88.
Alpha particle is nucleus of a helium-4 atom, which is made of
two protons and two neutrons.
Nuclear reaction: ²³</span>²Th → ²²⁸Ra + α (alpha
particle).
Alpha
decay is radioactive decay in which an atomic
nucleus emits an alpha particle (helium nucleus) and transforms
into an atom with an atomic number that is reduced by
two and mass number that is reduced by four.
18.998403
Explanation:
The internet told me
