Answer:
A Valence electron are the electrons in the outermost shell or energy level of an atom.
Answer:
<h2>227.27 mL</h2>
Explanation:
The volume of a substance when given the density and mass can be found by using the formula

From the question we have

We have the final answer as
<h3>227.27 mL</h3>
Hope this helps you
Answer:
One independent variable
Explanation:
The other variables are called controlled variables because the experiment is designed to keep them at an unchanging value, known as "controlling" a variable. A valid experiment should have only one independent variable.