Atomic Structure & Periodic Table

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Subatomic particles found on the outermost shell and are responsible for the atom's reactivity

• neutrons

• valence electrons

• isotopes

• ions

Subatomic particles with a positive charge

• neutrons

• atomic mass

• protons

• isotopes

Value representing the number of protons in an element

• Atomic Mass

• Mass Number

• Valence Electrons

• Atomic Number

Subatomic particles that are neutral in charge (no charge)

• Neutrons

• Protons

• Nucleus

• Electrons

Location where electrons are likely to be found as they travel around the nucleus

• Nucleus

• Electron Cloud

• Within a Proton

• Within a Neutron

A horizontal row of elements in the periodic table

• Element

• Period

• Family

• Group

What is the atomic number?

• 35

• 18

• 17

• 52

How many protons does this element have?

• 35

• 18

• 17

• 52

What is the atomic mass of this element?

• 35

• 18

• 17

• 52