Chapter 12 A particular isotope has a half-life of 10 minutes. If we start with 2,000 atoms now, in 30 minutes we will have how many atoms of our original isotope (parent) left?

Chapter 17 Based on our discussion in class, which island you would expect to be the youngest?

Chapter 10 What is the pH of a neutral solution?

Chapter 16 Which event happened first? (In forming the solar system…)

Chapter 10 The weakest type of bond is:

Chapter 12 A particular isotope has a half-life of 10 minutes. If we start with 2,000 atoms now, in 30 minutes we will have how many atoms of our original isotope (parent) left?

Chapter 10 What is the pH of a neutral solution?

Chapter 12 If an atom emits two protons and two neutrons, the atom has:

Chapter 8 The atomic mass is the mass of _____________.

Chapter 12 What is the spontaneous decay of nuclei?