mol/L
Molarity indicates the number of moles of solute per liter of solution.
12 electrons
Explanation:
Atomic designation of magnesium:
²⁵₁₂Mg
Magnesium is group II element on the periodic table with 12 electrons.
The periodic table provides an arrangement of elements based on their atomic numbers.
The atomic number of Mg is 12...........
The atomic number of an element is the same as the number of protons i.e positively charged particles.
In a neutral atom, the number of protons is equal to the number of electrons in them.
Learn more:
Atomic number brainly.com/question/2057656
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The answer to that question is 58.4 g/mol.
Answer: A. The electronegativity of one atom is less than 1.7