2. Atoms & Elements

What is the atomic mass of a boron atom that has 6 neutrons?

Which element has a higher atomic mass: cadmium or zinc?

What is the average atomic mass of uranium to the nearest hundredth of an atomic mass unit?

Which element in the nonmetal halogen family has an atomic mass closest to 35?

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

Which of the following pairs of subatomic particles are approximately equal in mass?

Which term refers to the average mass of all the naturally occurring isotopes of an element?

What is the average atomic mass of gallium (Ga) as listed on the periodic table?

Which of the following is closest to the atomic mass of magnesium (Mg)?

What is the average mass of a single sulfur atom in grams?

Which of the following is closest to the atomic mass of iron (Fe)?

Which of the following subatomic particles has the greatest mass?

Which of the following is the number of protons in a neutral atom of neon (Ne)?

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

Which element in period 2 of the periodic table has an atomic mass closest to 11?