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.
A Stacy Wiegman, PharmD , Pharmacy, answered. Currently, there is no generic version of Glumetza (metformin). Glumetza, which is manufactured by Depomed, Inc., is a long-acting form of metformin. There are several other medications that contain metformin, Glumetza's active ingredient. One such medication is the generic Metformin ER. However, this drug is only similar to Glumetza and is not used as an equivalent.