Atomic Structure and the Periodic Table

The atomic number identifies the number of

Electrons and neutrons are in the nucleus

The nucleus contains protons, electrons, and neutrons

The horizontal rows of elements are called

The particles in an element that determine the chemical properties of the element are the

The atomic number of an element is the number of _______ it has

What is the property of most nonmetals?

Subatomic particles that have a negative charge

The majority of the elements in the periodic table are

Atomic mass is measured in