Matter & Energy, Quiz 25

In a science class, Benjamin learned that substances composed of a single type of atom are called _______.

Elijah is learning about atoms in his science class. He discovers that the total number of protons and neutrons in an atom is its _______.

How many protons does Silver have?

• 47

• 107.87

• 94

• 23.5

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

In a science class, James learned that the subatomic particle that has a positive charge is the _______.

In a science class, Hannah learned that according to the electron-cloud model, electrons move unpredictably through regions of space called _______.