bohr models 1

What is the name of this element?

• Helium
• Hydrogen
• Argon
• Silver

What is the mass number of this atom?

• 1
• 3
• 4
• 7

What is the atomic number of this atom?

• 2
• 4
• 6
• none of the above

Isotopes are elements with a different amount of

• protons
• neutrons
• electrons
• atoms

an element will always have the same number of 

• neutrons
• protons
• isotopes
• atoms

How are electrons arranged in an atom?

• In groups of five
• In energy levels
• By color
• By shape

How many electrons can fit on the 1st energy level (orbital) for any Bohr Model?

• 2

• 6

• 8

• 10

What is the mass number of this atom of Chlorine?

• 17

• 18

• 35

• 35.453

What does the nucleus of an atom contain?

• Electrons and neutrons
• Protons and neutrons
• Neutrinos and positrons
• Electrons and megatrons

Which element does this Bohr model represent?

• Aluminum

• Silicon

• Magnesium

• Cobalt