The chart shows which elements are most abundant by mass and by volume. As you can see, Oxygen is the most abundant element in the Earth's crust (lithosphere) by both mass and volume. Silicon is the second most abundant element by mass.Potassium is the second most abundant by volume. All of the different amounts are right on the chart, so there is no need to memorize them. The most important thing to realize is that Oxygen is by far the most abundant element in the Earth's crust.Remember that this refers to Oxygen in compounds, not Oxygen as a gas! This Oxygen is present as part of solid chemical compounds in the rocks and soil.he most important thing to realize is that Oxygen is by far the most abundant element in the Earth's crust. Remember that this refers to Oxygen in compounds, not Oxygen as a gas! This Oxygen is present as part of solid chemical compounds in the rocks and soil.
Generic Tenormin. Several companies produce generic Tenormin, such as Teva Pharmaceuticals, Watson Pharmaceuticals, and Mylan Laboratories. The medication is sold under the name Atenolol tablets and is available in several different strengths. It is commonly used to treat a variety of cardiovascular conditions.
Atenolol for Anxiety. Atenolol (Tenormin Â®) is a prescription medicine approved for treating several conditions related to the heart and blood vessels. It is licensed to control high blood pressure, relieve chest pain associated with angina, and improve survival following a heart attack. On occasion, your healthcare provider may recommend atenolol for treating something other than the conditions listed above. This is called an  off-label  use. Using this drug for anxiety treatment (including social phobia and performance anxiety) is considered to be an off-label use. Other off-label atenolol uses include: 1  Treatment of arrhythmias (abnormal electrical activity in the heart). 2  Hyperthyroidism treatment. 3  Migraine prevention. 4  Relief of alcohol withdrawal symptoms.