Write the balanced equation for the following changes and identify whether heat is a product or needed to start the reaction (do not include heat in your balanced equation, simply identify whether its a product or reactant:
b.) the reaction of 1 mol of sulfure dioxide with oxygen

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

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?

What does the symbol (–hfus) indicate in a phase change?