Use Avogadro's number to calculate the number of moles of Mg<span>Cl2 . The number of moles of Cl is twice as </span>much, because the ratio of Cl in MgCl2 to MgCl2 is 2:1. 3.61⋅10246.022⋅10<span>23=5.99. Therefore, there are 12 moles of Cl.</span>
Answer:
# of electron shells
Explanation:
Elements in the same periodic group have the same number of electron shells.
<h2>Answer :-</h2>
<h3>Iodine has 53 protons and 53 electrons (because it has no charge the number of protons equals the number of electrons). Iodine-131 has 131 protons and neutrons.</h3>
Answer:
Galactose
Explanation:
Milk sugar contains the disaccharide called lactose.
A disaccharide is formed from the condensation of two monosaccharides.
Lactose is formed from the condensation of glucose and galactose.
Galactose rarely occurs freely in nature. It is freed when the enzyme lactase breaks down lactose during digestion.