In this atomic structure worksheet, students select answers to 8 fill in the blank questions on subatomic particles from the drop down box.

In this history of the atom worksheet, students answer questions about Thomson's cathode ray apparatus, Rutherford's gold foil experiment and Dalton's beliefs about the atom. Students identify the number of protons, neutrons and...

Using the periodic table of elements, young chemists fill in a chart of isotopes to show the atomic number, mass, charge, number of protons, number of neutrons, and number of electrons. The chart is followed by 11 questions that...

In this radioactivity quiz worksheet, students complete a 10 question true/false quiz. Quiz is also available as a student handout and Powerpoint presentation. 

In this chemistry activity, students answer short answer and true and false questions about acids, bases, atoms, elements, and more. Students complete 20 questions.

In this chemistry worksheet, students complete 29 fill in the bank questions about atoms based on the movie Exploring Atoms from the website www.brainpop.com .

In this elements instructional activity, students write the electron configurations for given elements. Students describe ionization energy and electron affinity and the periodic trends for both. This instructional activity has 20 short...