Appendix A: Written Pre Test

Name ______________ PRE-TEST

Optional Questions:

Age ____ Grade Level _____ Gender _____ Race __________

Chemistry Problems

Example of orbital diagram for He:

O

Example of electron configuration for He:

1s²

Prob 1)

Draw an orbital diagram and write the electron configuration for:

Mg

How many protons does Mg have?

How many neutrons does Mg have?

Prob 2) Write the electron configurations for the following element:

bromine

^{prob 3) Draw the orbital diagram, and write the electon configuration for the following element:}

potassium

Prob 4) For the following electron configuration of a neutral atom, determine the name of the element listed and determine if the configuration as written is the ground state or an excited state:

1s² 2s² 2p⁵ 3s²

^{Prob 5)} For the following electron configuration of a neutral atom, determine the name of the element listed and determine if the configuration as written is the ground state, an excited state or if it is an impossible configuration:

1s² 2s² 2p⁶ 4s¹

Prob 6) Draw the electron dot structure for the following molecule:

H2O

Draw the shape of H2O: