Which table above best summarizes the subatomic particles and their electrical charge?
How many electrons can the first energy level hold?
An element with 12 protons, 12 electrons, and 13 neutrons will have an overall charge of --
Which letter represents the protons?
Which letter represents the neutrons?
Which letter represents the mass of the atom?
What is the name of the element represented in the model?
Which statement best describes the location of subatomic particles?
Which of the following elements contains the greatest amount of protons?
Which of the following elements contains the least amount of electrons?
Which of the above is the correct model for carbon?
Which subatomic particle has the least mass?
Which of the following describes an atom that is considered very reactive?
An atom has an atomic number of 26 and a mass number of 56. How many neutrons are in this atom?
Which of the following best describes an atom?
Which of these atoms has the MOST MASS?
An element's atomic number refers to--
Which statement is true about electrons?
Check all of the elements that
have the same number of protons and neutrons.
Check all of the elements that have one valence electron.
