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What is the electronic configuration of Lithium?

• 2.8.8

• 2.2.2

• 2.8.5

• 2.1

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Value representing the number of protons in an element

• Atomic Mass
• Mass Number
• Valence Electrons
• Atomic Number

Subatomic particles that are neutral in charge

• Neutrons
• Protons
• Nucleus 
• Electrons

Arrangement of elements organized by atomic number

• Electron Cloud 
• Periodic Table 
• Electron Configuration
• None of these

A horizontal row of elements in the periodic table

• Molecule

• Period

• Family

• Atom

What is the atomic number?

• 35

• 18

• 17

• 52

How many neutrons does calcium have?

• 20

• 40

• 60

• 0

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

Which is a proton?

• A
• B
• C