Atomic Structure Gizmos

Add 1 proton. Where is it located?

• In the center of the atom (known as the nucleus of the atom

• Orbiting the atom

Add 1 Neutron. Where is it located?

• In the center of the atom (known as the nucleus of the atom

• Orbiting the atom

Add 1 Electron. Where is it located?

• In the center of the atom (known as the nucleus of the atom

• Orbiting the atom

Hit reset! Add 1 proton (should already be there), 1 neutron, and 1 electron to your Gizmo (your atom should only have 1 of each). What element is this?

• Hydrogen

• Boron

• Cesium

• Calcium

Add 1 more neutron to your atom. What is it now?

• Hydrogen

• Helium

• Cesium

• Calcium

Remove the neutron you just added. Add 1 more electron to your atom. What is it now?

• Hydrogen

• Helium

• Cesium

• Calcium

Remove the electron you just added. Add 1 more proton to your atom. What is it now?

• Hydrogen

• Helium

• Cesium

• Calcium

Make an atom with 8 protons. What is it called?

• Hydrogen

• Helium

• Carbon

• Oxygen

What can you say about what determines the kind of element in an atom?

• The element is determined by the number of protons

• The element is determined by the number of neutrons

• The element is determined by the number of elections

• All of the above

Here is a periodic table tile for Hydrogen (one of the elements you made). What is its atomic number?

• 1

• 1.008

• 2

• H