Atoms Quiz
This atoms quiz will test your knowledge about the smallest particles that make up matter. Check out our amazing Atoms Quiz.
Question 2 of 11
Who first devised the idea of the atom?
... The idea of the atom was first devised by the Greek philosopher Democritus.
Question 3 of 11
What classification of substance cannot be broken down by chemical reactions?
... An element is a substance that cannot be broken down by chemical reactions.
Question 4 of 11
What is the smallest piece of a compound that keeps its chemical properties?
... A molecule, made of two or more atoms, is the smallest piece of a compound that keeps its chemical properties.
Question 5 of 11
What is the nucleus of an atom composed of?
... The nucleus is made up of protons and neutrons.
Question 6 of 11
Who discovered atomic weight?
... The ability to weigh atoms came about by an observation from an Italian chemist named Amadeo Avogadro.
Question 7 of 11
Who created the first periodic table?
... Russian chemist Dimitri Mendeleev was the first to organize elements in terms of their properties by placing the elements and their newly discovered atomic masses on cards.
Question 8 of 11
What branch of physics deals with the motion of particles by their wave properties at the atomic and subatomic levels?
... Quantum mechanics is the branch of physics that deals with the motion of particles by their wave properties at the atomic and subatomic levels.
Question 9 of 11
What kind of microscope is required in order to see an atom?
... A scanning tunneling microscope (STM) was developed in 1981 to allow scientist to see an atom.
Question 10 of 11
Which of the following is not a unit of atomic mass?
... Atomic mass is measured in atomic mass units (amu) and Daltons.
Question 11 of 11
What does Heisenberg's uncertainty principle concern?
... Heisenberg's uncertainty principle concerns electron momentum and position.
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