Vocabulary
What is an atom?
Basic unit of all matter.
Where are elements found and organized?
Periodic Table
Which element has the symbol "Na"?
Sodium
What is a neutron?
Particle with no charge located in the nucleus.
Where is the atomic number located on an element?
Upper left corner
What is the central core of an atom called?
Nucleus
What is a proton?
Positively charged particle located at the center of an atom.
Name 3 elements from the periodic table.
Any 3 elements... Hydrogen, Sodium, Carbon, Oxygen...
Which element has the symbol "Fe"?
Iron
Negatively charged particle that spins around the outside of the nucleus of an atom.
Electron
What is the atomic number of Hydrogen?
1
Which particles will always have the same number in an atom?
Protons and Electrons
A substance made up of 2 or more different elements.
Compound
Name 1 example of how Chlorine is used.
It is used as a disinfectant and oxidizer. Treating pool water, disinfecting drinking water...
Which part of an atom is in constant motion?
Electrons