Chemical Terms 2 - Atomic Structure

the defining unit of an element, which cannot be subdivided using chemical means.

• atom

• anion

• cathion

• ion

• molecule

ion with a negative electrical charge.

• monoatomic ion

• anion

• cathion

• ion

• polyatomic ion

ion with a positive electrical charge.

• monoatomic ion

• anion

• cathion

• ion

• polyatomic ion

subdivision of electron shells separated by electron orbitals (e.g., s, p, d, f).

• subshell

• orbital

• spin

• suborbital

• orientation

mathematical function that describes the wavelike behavior of an electron.

• subshell

• orbital

• spin

• suborbital

• orientation

stable negatively charged subatomic particle.

• electron

• proton

• neutron

• positron

• negatron

component of the atomic nucleus with a defined mass of 1 and charge of +1.

• electron

• proton

• neutron

• positron

• negatron

particle in the atomic nucleus that has a mass of 1 and charge of 0.

• electron

• proton

• neutron

• positron

• negatron

positively charged center of an atom, made from protons and neutrons.

• ion

• nucleus

• shell

• orbital

• spin

the number of protons in the nucleus of an atom of an element.

• atomic number

• atomic weight

• atomic mass

• atomic mass unit

• mass number