BF4−BF4− Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. To change the symbol of an atom, double-click on the atom and enter the letter of the new atom. Show the charge of the ion over the central atom.

Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases.as altitude increases, air density increases.air pressure and density are lowest at sea level.denser air exerts more pressure than less dense air.

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.