In the atom below, how many protons, neutrons and electrons are there?

Which of the following is not a true statement about dwarf planets? a the kuiper belt contains comets, asteroids, and dwarf planets. b ceres is a dwarf planet located in the kuiper belt. c the largest known dwarf planet in the solar system is named eris.

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!