Atomic Mass and Atomic Number Quiz

What analogy is used to explain the concept of atomic numbers and masses?

• Comparing atoms to soccer players

• Comparing atoms to basketball players

• Comparing atoms to chess pieces

• Comparing atoms to musical notes

Who was the scientist that first listed elements by their masses?

• Albert Einstein

• John Newlands

• Dmitri Mendeleev

• John Dalton

What was the main challenge in measuring atomic masses?

• Atoms are too large

• Atoms are too light

• Atoms are too heavy

• Atoms are too small

What unit did John Dalton introduce for measuring atomic mass?

• Kilogram

• Pound

• Gram

• Unified Atomic Mass Unit

What is another name for the unified atomic mass unit?

• Newton

• Watt

• Dalton

• Joule

How does the progression of atomic numbers differ from atomic masses?

• Both are random

• Atomic numbers are random, atomic masses are consecutive

• Atomic numbers are consecutive, atomic masses are random

• Both are consecutive

What is the atomic number of hydrogen?

• 1

• 2

• 3

• 4

What is the atomic mass of lithium in unified atomic mass units?

• 4.0

• 10.0

• 6.9

• 1.0

What is the gap in atomic mass units between hydrogen and helium?

• 4.0

• 3.0

• 2.0

• 1.0

What will the next video focus on regarding atomic mass?

• Comparing atomic masses to carbon

• Using atomic mass to predict chemical reactions

• Measuring atomic mass in kilograms

• Listing elements alphabetically