Intro to atoms

What is the outer ring of this atom?

• Nucleus

• Protons

• Electron cloud

• Neutrons

What could the yellow particles be?

• Molecules

• Electrons

• Gases

• Protons

What is this a model of?

• A carbon atom

• An oxygen atom

• A sodium ion

• A carbon-14 isotope

What is the mass of one of the green particles?

• 1 AMU

• Slightly more than 1 AMU

• 1/1800 AMU

• 12 AMU

What is the atomic mass of this atom?

• 6 AMU

• 3 AMU

• 12 AMU

• 18 AMU

What is this element?

• Hydrogen

• Helium

• Hafnium

• Mercury

How many protons does this element have?

• 1

• 6

• 4

• 2

How many neutrons does this element have?

• 3

• 6

• 4

• 2

If this atom has no charge, what element is it?

• Carbon

• Nitrogen

• Boron

• Rubidium

What element is this?

• Helium

• Lithium

• Hydrogen

• Boron