What's on the Exam?
What is an element?
What is an atom? Where are the protons, neutrons and electrons located?
How do I determine the number of protons, neutrons & electrons for an element on the periodic table?
What is the charge of a proton, neutron and electron?
What is atomic number? What is atomic mass?
How do I find the number of neutrons in an atom?
What is an isotope?
How do I determine the number of protons, neutrons & electrons for an isotope?
What is valence? How can you know how many valence electrons an element has?
How do I draw a Bohr diagram for elements 1-20?
What is a chemical bond? What kind of bonds to molecules have?
What’s the difference between an element, a compound and a mixture?
What is a metal, non-metal and metalloid?
What are thermal conductors, electrical conductors and insulators?
Recent Comments