Which of the following bases can remove a proton from formic acid in a reaction that favors products?

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

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?