Fundamental Concepts of Atomic Structure and Chemical Laws Quiz

Test your knowledge on atomic structure, laws, and key concepts. Learn about protons, periodic table, Avogadro's number, and more.

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What is the charge of a proton?

Positive

Negative

Neutral

Variable

What is the atomic number of carbon?

What is the unit of atomic mass?

Dalton

Newton

Pascal

Joule

What is the smallest unit of an element that still retains its properties?

Molecule

Atom

Compound

Ion

What is the number of electrons in the outermost shell of an atom called?

Valence electrons

Core electrons

Ionization electrons

Excited electrons

Who proposed the first periodic table?

Dmitri Mendeleev

Marie Curie

Albert Einstein

Isaac Newton

What is Avogadro's number?

6.02 x 10^23

3.14 x 10^10

9.81 x 10^-12

2.718

What is the mass number of an atom?

Number of protons

Number of neutrons

Sum of protons and neutrons

Number of electrons

Who formulated the law of conservation of mass?

Antoine Lavoisier

Galileo Galilei

Isaac Newton

Archimedes

#10

Who proposed the quantum mechanical model of the atom?

Niels Bohr

Erwin Schrödinger

Werner Heisenberg

Max Planck

#11

Who discovered the electron?

J.J. Thomson

Ernest Rutherford

Niels Bohr

Max Planck

#12

Which law states that the total pressure exerted by a mixture of gases is equal to the sum of the partial pressures of each individual gas?

Boyle's Law

Charles's Law

Dalton's Law of Partial Pressures

Gay-Lussac's Law

#13

What is the name of the principle that states that no two electrons in an atom can have the same set of four quantum numbers?

Aufbau Principle

Hund's Rule

Pauli Exclusion Principle

Heisenberg Uncertainty Principle

#14

What is the formula for calculating the energy of a photon?

E = mc^2

E = hν

E = -ΔH

E = PV

#15

Who developed the modern periodic table?

Dmitri Mendeleev

Robert Boyle

John Dalton

Linus Pauling