Name the chemical used in soap and paper making. Write the chemical formula also.

Identify a specific example for each type of technology

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 is the molar mass of a gas that has density of 2.054 g/l