Draw the Lewis structure for SeH² in the window below and then answer the questions that follow.
- Do not include overall ion charges or formal charges in your drawing.
b) What is the electron-pair geometry for Se in SeH² ?
c) What is the the shape (molecular geometry) of SeH² ?
Metallic vanadium crystallizes in a body-centered cubic lattice, with one V atom per lattice point. If the metallic radius of V is 130pm, what is the volume of the unit cell in pm³ and in cm³ ?
________ pm³
________ cm³
The substance lithium is found to crystallize in a cubic lattice, with an edge length of 346.0pm. If the density of solid lithium is 0.5565 g/cm³, how many Li atoms are there per unit cell?
Your answer should be an integer:_____ atoms
[Reterences]
Examine the geometry about the central atom oi the molecular species in the Following windows. Classify each or them as one of the ideal geometries introduced in the previous questions. Choose a geometry from the pull-down menu.
Which of the following would be expected to form hydrogen bonds with water?
Choose all that apply.