The cause of cardiomyopathy, a thickening or enlarging of the heart muscle, may depend on the type: 1  Dilated cardiomyopathy. 2  The cause of this most common type of cardiomyopathy often is unknown. 3  It may be caused by reduced blood flow to the heart (ischemic heart disease), infections, toxins and certain drugs.ommon causes of abnormal heart rhythms (arrhythmias) or conditions that can lead to arrhythmias include: 1  Heart defects you're born with (congenital heart defects). 2  Coronary artery disease. 3  High blood pressure. 4  Diabetes. 5  Smoking.
If the diatomic molecule consists of atoms from two different elements, then it is a heteronuclear diatomic molecule. There are seven elements that naturally occur as homonuclear diatomic molecules in their gaseous states: hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine, and iodine. Bromine and iodine need slightly higher temperatures than room temperature to occur as gaseous diatomic molecules.
A molecule, however, is composed of more than one atom. Some elements exist naturally as molecules. For example, hydrogen and oxygen exist as two-atom molecules. Other elements also exist naturally as diatomic moleculesA molecule with only two atoms. (see Table 3.3 Elements That Exist as Diatomic Molecules).As with any molecule, these elements are labeled with a molecular formulaA formal listing of what and how many atoms are in a molecule. molecule, however, is composed of more than one atom. Some elements exist naturally as molecules. For example, hydrogen and oxygen exist as two-atom molecules. Other elements also exist naturally as diatomic moleculesA molecule with only two atoms. (see Table 3.3 Elements That Exist as Diatomic Molecules).