Scelta multipla
Which of the following best describes a cation?
117
views
2. Atoms & Elements
Ions
Scelta multipla
What is the charge of a magnesium ion (Mg^{2+})?
A
+2
B
+1
C
-2
D
0
Guida verificata passo dopo passo1
Understand that the charge of an ion is determined by the difference between the number of protons (positive charges) and electrons (negative charges).
Recognize that a neutral magnesium atom has 12 protons and 12 electrons, resulting in no net charge.
When magnesium forms an ion, it loses electrons to achieve a more stable electron configuration, typically losing 2 electrons.
Losing 2 electrons means the ion now has 12 protons but only 10 electrons, resulting in a net positive charge of +2.
Therefore, the charge of the magnesium ion is written as \(\mathrm{Mg^{2+}}\), indicating a +2 charge.
Video correlati
Pratica correlata
