In order to grasp the concept of molar mass calculations it is important to understand the molar unit. The mole also called mol is the basic unit of measurement in chemistry. By definition, in modern chemistry, one mole represents the number of carbon atoms in exactly 12 grams of carbon 12 isotope.
Fetal development during the first trimester. The most dramatic changes and development for your baby occur during the first trimester. Itâs also during this time that the fetus is the most susceptible to damage from alcohol, drugs, certain medications, and illnesses.
abstinence is advised during the last four weeks like first trimester sex should be avoided in the last four weeks of pregnancy too this is because there is a risk of infection with unprotected sexadditionally it could also lead to premature labouret s face it things change body parts go wonky emotions go haywire and that s all before sleep deprivation kicks in here are some facts you should know about having sex during this tricky period called pregnancy