In which biome would you find the main types of plant life to be grasses and nonwoody plants

How can you use chemical equations to predict the products of the reaction you can carry out?

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 are the first three quantum numbers for the electrons located in subshell 2s?