The includes the entire planet and all of its living and nonliving parts. a) biosphere b) community c) ecosystem d) lithosphere

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

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?