<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>
The number of particles (molecules or atoms) is: 6.022 x 10²³ particles (atoms or molecules).
1 mol of H₂O has 6.022 x 10²³ molecules.
1 mol of Al has 6.022 x 10²³ atoms.
Answer:
appropriately shaped receptors
Explanation:
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