Magnesium (Mg) has nine electrons. Which of the following shows the correct electron configuration for an atom of Mg? 2, 2, 5
7, 2
1, 8
2, 7

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Find the protons, electrons and neutrons for strontium with a mass of 83

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)

Compare the equilibrium constants for the systems shown in the table. which favors products the most? which favors products the least? rank these systems in order from most to least in terms of favoring products rather than reactants. d > b > a > c c > a > b > d b > c > d > a a > d > c > b