Documents Question Bank (Pg 1-58)

1 Objective Questions 4 Matter 1. Alpha particles, 2 He2+, are emitted when a radioactive nucleus disintegrates. Which of the following species has the same number of electrons…

Documents 2011 VCE unit one chemistry exam with solutions

Wanganui Park Secondary College Victorian Certificate of Education 2011 CHEMISTRY â Unit One Assessment Task: Written Examination Wednesday 15th June, 2011 Name: SOLUTIONS…

Documents CHAPTER 3: CHEMICAL FORMULAE & EQUATIONS

4S1 Thursday, 24/2/2011 7.30 â 8.40 am Previously⦠Relationship of Mass and Number of Moles Number of moles = Mass Molar mass Mass = Number of moles x Molar mass Number…