Bohr Models

How many electrons does Si contain? (click to see image)

• 14
• 28
• 2
• None of these

What element is represented in this Bohr Model? 

• Carbon
• Hydrogen
• Aluminum
• Lithium

What group does this element belong to?

• Group 1: Alkali metals
• Group 18: Noble Gases
• Group 2: Alkaline-Earth Metals
• Group 17: Halogens

What is the center of the atom called?

• Orbital
• Nucleus
• Proton
• Electron shell

What's a valence electron?

• electrons in the second orbital

• electrons in the outermost shell of an atom

• the atomic number

• electrons in the first energy level

This Bohr diagram shows 3 orbits (shells) with electrons. To which row of the Periodic Table does it belong?

• 1

• 2

• 3

• 4

Which row of the Periodic Table must this element come from?

• 1

• 2

• 3

• 4

How many electrons total?

• 5

• 6

• 7

• 8

How many valence electrons?

• 2

• 3

• 4

• 5

Which period is this element in?

• 1

• 2

• 3

• 4