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When comparing a polar and nonpolar molecule with similar molar masses, the polar molecule in general has a higher boiling point, because the dipole–dipole interaction between polar molecules results in stronger intermolecular attractions. One common form of polar interaction is the hydrogen bond, which is also
Nutritional anemia can be caused by a lack of iron, protein, vitamin B12, and other vitamins and minerals that are needed for the formation of hemoglobin. However, Iron deficiency anemia is the most common nutritional disorder. [7] Signs of anemia include cyanosis, jaundice, and easy bruising. [7]
A covalent bond forming H 2 (right) where two hydrogen atoms share the two electrons. A covalent bond is a chemical bond that involves the sharing of electrons to form electron pairs between atoms.
Formation of an adduct of ammonia and boron trifluoride, involving formation of a coordinate covalent bond.. Coordinate covalent bonding is ubiquitous. [6] In all metal aquo-complexes [M(H 2 O) n] m +, the bonding between water and the metal cation is described as a coordinate covalent bond.
Normocytic anemia is a type of anemia and is a common issue that occurs for people typically over 85 years old. Its prevalence increases with age, reaching 44 percent in men older than 85 years. [ 1 ]
Sideroblastic anemia, or sideroachrestic anemia, is a form of anemia in which the bone marrow produces ringed sideroblasts rather than healthy red blood cells (erythrocytes). [1] In sideroblastic anemia, the body has iron available but cannot incorporate it into hemoglobin , which red blood cells need in order to transport oxygen efficiently.
The carbon–fluorine bond is a polar covalent bond between carbon and fluorine that is a component of all organofluorine compounds. It is one of the strongest single bonds in chemistry (after the B–F single bond, Si–F single bond, and H–F single bond), and relatively short, due to its partial ionic character.
Iron-deficiency anemia affected about 1.48 billion people in 2015. [6] A lack of dietary iron is estimated to cause approximately half of all anemia cases globally. [12] Women and young children are most commonly affected. [3] In 2015, anemia due to iron deficiency resulted in about 54,000 deaths – down from 213,000 deaths in 1990. [7] [13]