Create a model below to demonstrate the Law of Conservation for the following reaction. Use the insert shapes or the draw tool. 2H2O2=> 2H2O + O2​

100mg magnesium reacts with 20ml of 1.0m hcl

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?

May someone me with these science questions