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?

Chapter 8 The atomic number is the _________.

Chapter 10 If grains of salt (NaCl) dissolve in water, what type of matter is created?

Chapter 8 An element with an atomic number of 8:

Chapter 10 Noble gases are called so because they: