Nitric oxide from car exhaust is a primary air pollutant. calculate the equilibrium constant for the reaction

Acurium-245 nucleus is hit with a neutron and changes as shown by the equation. complete the equation by filling in the missing parts. 52

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)