2. Atoms & Elements

Which of the following best describes how to calculate the average atomic mass of an element?

Which of the following is closest to the atomic mass of aluminum (Al)?

Which of the following is the atomic number of zirconium (Zr)?

Which of the following properties uniquely identifies every element?

2. What is the atomic mass of mercury (Hg)?

Which term represents the sum of the atomic masses of the atoms in a molecule?

10. What is the atomic mass of copper?

Which of the following is a factor in determining the average atomic mass of an element?

Which of the following is closest to the atomic mass of silicon (Si)?

The atomic mass of the element niobium (Nb) is 92.906 amu. Which of the following measurements correctly represents this atomic mass?

What is the mass number for an atom of barium containing 56 protons and 78 neutrons?

Which of the following best describes the difference between atomic number and mass number?

Which of the following is closest to the atomic mass of carbon?

Which numerical setup can be used to calculate the atomic mass of the element copper, given that copper has two naturally occurring isotopes: Cu-63 (abundance 69.17%, mass 62.93 u) and Cu-65 (abundance 30.83%, mass 64.93 u)?

What is the average atomic mass of fluorine?