Atomic Structure Basics Quiz

Electron carries a negative charge.

A neutral oxygen atom has 8 electrons.

A proton has a positive charge.

The first energy level of an atom can hold 2 electrons.

Iron has the chemical symbol 'Fe'.

The Law of Conservation of Mass states that the total mass of the reactants in a chemical reaction is equal to the total mass of the products.

The angular momentum quantum number (l) for an s orbital is 0.

Niels Bohr proposed the planetary model of the atom.

The magnetic quantum number describes the orientation of an orbital in space.

The maximum number of electrons that can occupy the p subshell is 14.

A p orbital is dumbbell-shaped.

The mass number of an atom is the total number of protons and neutrons.

Ernest Rutherford proposed the concept of an atomic nucleus.

The Bohr radius is the radius of a hydrogen atom in its ground state.

The principal quantum number (n) in an atom indicates the size and energy of the orbital.

Ionization energy is the energy required to remove an electron from an atom in its gaseous state.

J.J. Thomson is credited with the discovery of the electron using cathode rays.

Atomic size decreases as you move from left to right across a period in the periodic table.

The neutron was discovered by James Chadwick.

Werner Heisenberg proposed the uncertainty principle.

The Pauli Exclusion Principle states that no two electrons in an atom can have the same set of four quantum numbers.

The f subshell can hold the maximum number of electrons.

The electronic configuration of a fluorine atom is 1s² 2s² 2p⁶ 3s¹ 3p⁵.

Erwin Schrödinger introduced the concept of the quantum mechanical model of the atom.

Fluorine has the highest electronegativity.