Chemistry Final Exam Vocab/Concepts

Front

Subatomic particle with a positive charge:

Back

Proton

Front

Smallest subatomic particle with least mass:

Back

electron

Front

Subatomic particle with no charge

Back

neutron

Front

Vertical columns on the Periodic Table with similar properties and the same number of valence electrons.

Back

groups/families

Front

Elements on the "staircase" of the Periodic Table:

Back

metalloids

Front

Elements that do not react

Back

Group 18/noble gases

Front

In a neutral element, the atomic number indicates...

Back

the number of protons.

Front

Mass number = ?

Back

protons + neutrons

Front

Atomic number 12 indicates:

Back

12 protons and 12 electrons.

Front

Subatomic particle found outside the nucleus?

Back

Electron