A water molecule is shown schematically in the figure (Figure 1). The distance from the center of the oxygen atom to the center of a hydrogen atom is 0.96 Å, and the angle between the hydrogen atoms is 104.5 ∘. Find the center-to-center distance between the hydrogen atoms. (1Å=10−10m). r = ? Å

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Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.