All but one describes an effect of aging on the respiratory system. a) diminished lung volume capacity b) increased respiratory mucus production c) decreases in respiratory muscle strength d) oxygen content of arterial blood decreases

Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom

How many grams of aluminum will there be in 98g of al2o3?

How many lone pairs of electrons are on the central atom of no3- and what is the molecular shape? one, trigonal planar zero, trigonal pyramidal zero, trigonal planar one, tetrahedral one, trigonal pyramidal