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The atomic number is how many protons are in the nucleus of the atom. The atomic mass is how much mass is in the atom. Example: The atomic number of Helium is 2, and the atomic mass is 4. <span>To calculate the atomic number, simply count the protons.</span> <span>To </span>calculate<span> the </span>atomic mass<span> of an </span>atom,<span> add up the </span>mass<span> of </span>protons<span> and neutrons. Hope this helped! c:</span>
Answer:
2.453.
Explanation:
<em>∵ pH = - log[H₃O⁺]
</em>
[H₃O⁺] = 0.00352 M.
<em>∴ pH = - log[H₃O⁺] </em>= - log(0.00352) = <em>2.453.</em>
Answer:
semimetals or metalloids.
Explanation:
Answer:
yes solution is always a mixture but not all mixtures are solution
Explanation:
A solution.is a homogeneous mixture of substance that have uniform composition throughout
And a mixture hVe twoo or more substances that are not chemically.combine
