Matter & Energy, Flashcard 25

Front

Substances composed of a single type of atom are called _______.

Back

elements

Front

Subatomic particle with a positive charge

Back

proton

Front

In Mia's chemistry class, each element on the periodic table is given an abbreviation called a(n) _______.

Back

chemical symbol

Front

According to the electron-cloud model, electrons move unpredictably through regions of space called _______.

Back

orbitals

Front

The total number of protons and neutrons in an atom is its _______.

Back

mass number

Front

How many protons does Silver have?

Back

47